🚩Noisemakers, Flags & Banners — by venue

Acrisure Bounce House

Horns, whistles, and artificial noisemakers are prohibited, as are banners and flags; hand-held signs up to 22" x 28" are permitted after inspection if not attached to poles or braces, don't obstruct sightlines, and aren't objectionable.

Acrisure Stadium

Noisemakers and banners/signs on poles are prohibited; free-standing banners and signs are allowed only if in good taste, non-obstructive, and free of commercial messages or political endorsements.

Alamodome

Artificial noisemakers are banned; handheld signs and posters are allowed if a reasonable size with no poles or sticks, but signs or flags larger than 3' x 2' are prohibited.

Albertsons Stadium

Noisemakers, flags, and banners are prohibited items brought by fans, and distribution of banners/signs/flyers is also barred.

Allegacy Federal Credit Union Stadium

Artificial noisemakers are prohibited; signs, banners, and flags are prohibited if they obstruct another guest's view or pose a safety risk.

Allegiant Stadium

Noisemakers such as air horns, bells, bullhorns, thundersticks, whistles, and vuvuzelas are prohibited, but flags up to 3'x5' and posters/signs up to 2'x3' are permitted as long as they don't obstruct other guests' sightlines.

Allen E. Paulson Stadium

Artificial noisemakers (horns, whistles), signs, flags, sticks, and laser pointers are prohibited inside the stadium.

Alumni Stadium

Artificial noisemakers are prohibited outright; signage deemed inappropriate by event staff is barred, and signs/banners/flags may not be hung or attached anywhere or obstruct other guests' views.

American Airlines Center

Artificial noisemakers (air horns, drums, whistles) are prohibited. Signs/banners are allowed if they meet size limits and don't obstruct views or contain commercial/obscene content.

American Family Field

Noisemakers (including whistles), laser pointers, and sirens are prohibited, but banners/signs up to 3'x5' may be displayed between innings if baseball-related and non-offensive.

Amon G. Carter Stadium

Personal signs up to 18x24 inches are allowed, but banners cannot be hung in the stadium and artificial noisemakers (air horns, thundersticks, instruments, etc.) are prohibited.

Angel Stadium

Noisemakers and musical instruments are banned (except team-issued 'Halo Sticks'); banners/signs are allowed only if baseball-related, non-commercial/political/obscene, fire-retardant, and no larger than 3' x 6'. Flags of any kind are not permitted regardless of size.

Arrowhead Stadium

Air horns/bells and other noisemakers are prohibited; banners/signs/flags are permitted if 3'x5' or smaller, on no pole, event-related, and non-offensive.

Autzen Stadium

Artificial noisemakers are not permitted, and sticks or poles (including selfie sticks) are prohibited.

Ball Arena

Air horns/whistles/vuvuzelas are prohibited; flags are prohibited except official team flags from Altitude Authentics, and signs cannot exceed 11"x17".

Bank of America Stadium

Horns, bells, whistles, and other noisemakers are prohibited; banners/signs/flags are allowed only if one person can hold them, no larger than 24"x24", football/event-related, with no commercial messages, logos, or political endorsements.

Barclays Center

Noisemakers, air horns, bells, and whistles are prohibited, while signs/flags/banners are allowed only under specific conditions.

Beaver Stadium

Noisemakers (whistles, sirens, etc.) are prohibited, and signage/banners/posters are banned everywhere except the first row of the lower south end zone seating.

Bell Centre

Noisemaking objects like bells and horns are banned outright; flags, banners, and posters are allowed only if they don't obstruct another guest's view.

Ben Hill Griffin Stadium

Artificial noisemakers and flags are prohibited, but tasteful, handheld signs/banners that don't obstruct other guests' view are allowed.

Bill Snyder Family Stadium

Hand-held banners and pep signs are allowed if reasonably sized, storable under a seat, and non-obstructive with no profanity; noisemakers and large or sight-line-obstructing flags are prohibited.

Bobby Dodd Stadium at Historic Grant Field

Noisemaking devices like air horns, cowbells, and whistles are banned, but soft banners/signs/flags up to 3' x 5' without sticks or poles are allowed if they don't obstruct views or carry offensive/commercial messaging.

Boone Pickens Stadium

Artificial noisemakers and banners, signs, or flags are prohibited; banner/flag use is limited to university-recognized spirit groups.

Bridgeforth Stadium

Noisemakers/devices that impede the game are prohibited; banners, posters, and signs are welcome if handheld by one person, no larger than 24" x 36", not affixed to poles/sticks, and free of advertising, political, or offensive content.

Broadview Stadium

Horns, whistles, boom boxes, and other noisemakers are prohibited; banners/posters/signs are allowed if no more than 3 feet high, not obstructing views or signage, and free of obscene language.

Brooks Field at Wallace Wade Stadium

Artificial noisemakers are prohibited; banners and signs are permitted, but Duke reserves the right to remove any sign that blocks views, resembles an advertisement or political statement, or is obscene.

Brooks Stadium

Artificial noisemakers, flags and flagpoles, and unauthorized banners or posters are explicitly prohibited.

Bryant-Denny Stadium

Artificial noisemakers, signs, and sign supports/placards are prohibited.

Busch Stadium

Air horns, cowbells, Thunderstix, and other noisemakers are banned, as are flag poles and PVC pipes.

CEFCU Stadium

Banners, signs, flags, and balloons are prohibited; horns and noisemakers are prohibited, and poles or sticks over 24 inches are also banned.

Caesars Superdome

Noisemakers and whistles are prohibited, but banners and signs are allowed if they are in good taste, non-offensive, and do not obstruct any guest's view.

California Memorial Stadium

Artificial noise-making devices are prohibited, and banners and signs of any kind are prohibited.

Camp Randall Stadium

Noisemakers (air horns, cowbells, whistles) and flags, banners, or signs are not permitted inside the stadium.

Capital One Arena

Small event-related signs, posters, and flags are welcome, but noisemakers (air horns, sirens, kazoos, whistles) and banners are prohibited.

Carter-Finley Stadium

Artificial noisemakers are prohibited; flags/signs/banners are permitted if 3' x 2' or smaller, don't obstruct views, have no poles or sticks, and meet a community decency standard — they cannot be hung inside the stadium.

Center Parc Credit Union Stadium

Artificial noisemakers (horns, whistles, bells, electronic noisemakers, vuvuzelas) are prohibited, as are flags, signs, or banners larger than 3' x 2' or affixed to poles or sticks.

Chase Center

Small event-related signs/banners/flags (up to 11"x17") are allowed if not on a pole; noisemaking devices (air horns, cowbells, whistles, drums) are banned.

Chase Field

Blow horns/noisemakers are banned; flags with poles are only allowed if sold in the Team Shop; banners/signs must be baseball-related and in good taste, non-commercial, and can't block views or use wood/metal supports.

Citi Field

Noisemaking devices are banned, but cloth or paper banners/signs/flags without poles or rigid supports are allowed if they don't block other fans' views.

Citizens Bank Park

Noisemakers are banned outright; banners/signs and flags are allowed only within strict size, material, and content rules.

Clarence T.C. Ching Athletics Complex

Noise makers are explicitly prohibited, along with confetti, silly string, glitter, streamers, and poppers.

Climate Pledge Arena

Noisemaking devices are banned; small handheld signs/banners up to 24"x36" are allowed if not on a stick/pole and non-commercial.

Comerica Park

Air horns, cowbells, whistles, vuvuzelas, and other noisemakers are banned; signs/banners/flags larger than 11"x17" are restricted and may not obstruct other guests' sightlines.

Coors Field

Bullhorns, noisemakers, confetti, and signs attached to sticks/clubs are prohibited.

Crypto.com Arena

Noisemakers, laser pointers, glow sticks, flashlights, fireworks, flags, and banners are banned, though small hand-held fan signs are allowed.

DATCU Stadium

Artificial noisemakers are prohibited per NCAA and American Athletic Conference policies; handheld signs/banners/flags are permitted if free of profanity or derogatory content, non-commercial, and don't obstruct views, but no sticks or poles of any kind are allowed under a separate Flag Pole Policy.

Daikin Park

Noisemakers (whistles, horns, bells, etc.) are prohibited; banners are allowed only if baseball-related, no larger than 3' x 2', not attached to a pole or stick, and displayed only between innings.

Darrell K Royal-Texas Memorial Stadium

Artificial noisemakers, banners, flags, flag poles, selfie sticks, and signs are prohibited.

David Booth Kansas Memorial Stadium

Horns, whistles, boom boxes, and other noisemakers are explicitly banned; poles or sticks of any kind (including flag/banner poles) and objects that obstruct another patron's view are prohibited, though small handheld flags without poles are not explicitly addressed.

Davis Wade Stadium at Scott Field

Cowbells are permitted, but only at designated times per SEC bylaw regulating traditional institutional noisemakers (pregame, timeouts, halftime, and after MSU scores, not during live play); non-approved banners or signs are prohibited.

Delta Center

Signs and banners are allowed at most events within size limits, but noise-making devices like whistles and horns are prohibited.

Dignity Health Sports Park

Noise-making devices are prohibited, but banners/signs are allowed up to 3' x 4' as long as they aren't attached to poles, don't obstruct views, and don't display threatening or discriminatory content.

Disney California Adventure

Horns, whistles, megaphones, artificial noisemakers, flags, and banners are all prohibited.

Disney's Animal Kingdom

Horns, whistles, megaphones, noisemakers, flags, and banners are prohibited; balloons are additionally banned specifically at Animal Kingdom to protect the park's live animals.

Disney's Hollywood Studios

Horns, whistles, megaphones, artificial noisemakers, flags, and banners are not allowed.

Disneyland Park

Horns, whistles, megaphones, artificial noisemakers, flags, and banners are not allowed.

Dix Stadium

Banners, signs, and flags are prohibited, as are amplified noisemakers (bullhorns, air horns) and musical instruments; non-amplified noisemakers such as cowbells, thundersticks, and vuvuzela horns are explicitly permitted.

Doak Campbell Stadium

Artificial noisemakers (whistles, bells, air horns) and sticks, poles, flags, or signs are prohibited.

Donald W. Reynolds Razorback Stadium

Artificial noisemakers (including cowbells), flags, and banners are prohibited.

Dooley Field at Sanford Stadium

Artificial noisemakers (air horns, cowbells, etc.) are not permitted, and holding, hanging, or displaying signs/banners on stadium walls, bleachers, ramps, or nearby areas is prohibited.

Dowdy-Ficklen Stadium

Banners must be pre-approved by calling the athletics office by 5:00pm the Thursday before the game. Flags on poles are not permitted, and whistles, airhorns, electronically amplified noisemakers, and selfie sticks are prohibited.

Doyt L. Perry Stadium

Amplified sound, including in Tailgate Park, requires advance approval from BGSU Athletics/Falcon Sports Properties. Banners must be pre-approved by 5 p.m. the day before the game; flags on poles are not permitted inside the stadium.

EPCOT

Horns, whistles, large megaphones, artificial noisemakers, flags, and banners are not allowed.

Empower Field at Mile High

Artificial noisemakers such as air horns, cowbells, clappers, kazoos, and whistles are prohibited; signs/flags/banners are allowed only if event-related, in good taste, and no larger than 3'x5'.

EverBank Stadium

Noisemakers, whistles and air horns are prohibited; signs/banners up to 3ft x 2ft are allowed if non-commercial, non-political and not obscene, but sticks or poles (including selfie sticks/flagpoles) are not permitted.

Falcon Stadium

Signs/banners no larger than 18" x 24" are permitted; artificial noisemakers of any kind, or any item that cannot be readily inspected, are prohibited.

Faurot Field at Memorial Stadium

Artificial noisemakers are prohibited; banners/signs are allowed only if they don't exceed 2' x 3', reflect positive sportsmanship, and aren't staked, poled, or affixed to any facility.

Fenway Park

Noise-making devices and instruments are banned; signs are capped at 24"x18" and flags at 18"x24" without poles (larger flags allowed for official cultural celebrations).

FirstBank Stadium

Noisemakers such as air horns and whistles are banned outright; unauthorized banners, signs, or flags are prohibited, implying authorized ones are possible.

Fiserv Forum

Noisemakers (whistles, horns, airhorns) are banned; banners, flags, and signs are allowed only up to 11x17 inches with no poles/dowels and no battery-operated or light-up items.

Flagler Credit Union Stadium

Noisemakers are prohibited outright; approved signs are allowed after inspection, but banners/flags with poles, sticks, or braces are prohibited, and pre-approved non-commercial banners may be permitted in advance if they don't obstruct sightlines.

Folsom Field

Artificial noisemakers (whistles, air horns, thunderstix), unapproved signs or banners, and flags on poles are all prohibited.

Ford Field

Noisemaking devices (bells, horns, kazoos, whistles) and large flags/banners are not permitted.

Frank Solich Field at Peden Stadium

Noisemakers are prohibited outright and flags/banners are stated as not allowed on the facilities prohibited-items page, while a separate same-dated Admission Policy page instead bans only amplified noisemakers and treats signs/flags/banners as subject to approval — a genuine conflict between two official pages, resolved here by using the stricter facilities-page reading.

Fred C. Yager Stadium

Amplified/musical noisemakers are prohibited, but non-amplified noisemakers such as cowbells, thundersticks, and vuvuzelas are permitted; banners, signs, and flags are prohibited.

Gaylord Family Oklahoma Memorial Stadium

Noisemakers of any type (air horns, plastic horns, whistles, etc.) and banners/signs are prohibited.

Gerald J. Ford Stadium

Noise makers are prohibited, but banners/signs may be displayed as long as they aren't on poles or hung/posted inside the stadium, and aren't offensive or in violation of SMU/ACC sportsmanship rules.

Gesa Field at Martin Stadium

Artificial noisemaking devices are prohibited, with confiscation and possible university disciplinary action for violators; hand-held banners/signs are permitted if in good taste with no profanity and not blocking other guests' views, but flag poles, sign-extension devices, and selfie sticks are prohibited.

Gies Memorial Stadium

Flags/banners, signs, and noisemakers are explicitly prohibited.

Gillette Stadium

Noisemakers, bullhorns, air horns, and vuvuzelas are prohibited, while flags and banners are permitted unless restricted by size or content.

Glass Bowl

Artificial noisemakers, confetti, laser pointers, and large flags are prohibited; a separate "Banner Policy" clause allows banners in good taste that don't cover existing signage, but the same paragraph then states flags, banners, and poles are not allowed in the seating areas — a contradiction on the venue's own official page, recorded rather than resolved.

Globe Life Field

Noisemakers are prohibited outright; banners/signs are allowed only if in good taste, non-obstructive, event-related, and free of commercial or political endorsements — signs on poles/sticks or made of wood/metal are banned, and banners may not be hung or affixed to ballpark structures.

Great American Ball Park

Noisemakers such as thundersticks, air horns, whistles, and clappers are prohibited (hand-held cowbells are permitted); baseball-themed signs/banners are allowed if they don't obstruct views or contain commercial, political, or derogatory content.

Hard Rock Stadium

Noisemakers such as air horns, vuvuzelas, and whistles are prohibited, and flagpoles are banned, but small handheld, event-related flags in good taste that don't obstruct other guests' views are allowed.

Hersheypark

Inflatable items, beach balls, banners, flags, and noisemaking items like laser pointers and signs are generally restricted.

Highmark Stadium

Noisemakers and laser pointer devices are prohibited, while flags, signs, and banners are only restricted if they are obscene, offensive, or political in nature.

Houchens Industries-L.T. Smith Stadium

Artificial noise-making devices are prohibited outright; banners, signs, and flags deemed inappropriate by event staff are not permitted, no flag poles are allowed inside the stadium, and signage may not be hung or attached inside or outside the facility.

Huntington Bank Field

Banners and signs are permitted if they meet content/size guidelines, but noisemaking devices (air horns, bells, bullhorns, thundersticks, whistles) are prohibited.

Huntington Bank Stadium

Noisemaking devices, sticks/selfie sticks/flag poles, and banners or signs exceeding 24" x 36" are prohibited, implying smaller signs or flags without poles are allowed.

Husky Stadium

Handheld flags and banners are permitted; artificial noisemakers are not on the approved items list.

JMA Wireless Dome

Artificial noise makers, amplified devices, fog/air horns, bull horns, and whistles are prohibited; hand-held banners/signs are allowed if in good taste, without profanity, not blocking views or signage, and without sticks or poles.

Jim Wacker Field at UFCU Stadium

Artificial noisemakers are banned except implements used by official spirit groups. Only approved sponsor/broadcast banners are allowed; individual hand-held signs aren't permitted, but U.S./Texas/Texas State flags and team-support signs are.

Joan C. Edwards Stadium

Artificial noisemakers are prohibited, and the venue-wide list caps posters/signs at 8.5" x 11", while a separate football-specific page says banners/signs are permitted if family-friendly and non-obstructive without stating a size cap — official pages disagree on this point.

Johnny "Red" Floyd Stadium

Artificial noisemakers and flag poles are explicitly prohibited; handheld signs/banners are allowed only if event-related, in good taste, non-commercial, non-political, not obstructing views, and not on a stick or pole, subject to removal at Athletics' discretion.

Jonah Field at War Memorial Stadium

Artificial noisemakers (cowbells, horns, thundersticks, whistles) are not permissible per Mountain West Conference policy; flags or banners on sticks or poles are prohibited at all UW athletic events, though non-commercial/non-political signs are allowed if they don't block views.

Jones AT&T Stadium

Artificial noisemakers and banners are on the official prohibited items list.

Jordan-Hare Stadium

Artificial noisemakers are banned, and flags/banners/signs may not exceed 3 feet by 5 feet.

Kaseya Center

Whistles, horns, and other noisemakers are prohibited, and no signs, banners, or flags are permitted unless specifically authorized by management.

Kauffman Stadium

Bullhorns, airhorns, cowbells, and other noisemakers deemed unacceptable by staff are prohibited, as are banners or flags with sticks in them.

Kelly/Shorts Stadium

Artificial noisemakers are prohibited; signs are permitted, but signs on poles that block the view of other fans or stadium advertisements are prohibited. Flags and banners specifically are not addressed in any official source found.

Kenan Memorial Stadium

Artificial noise makers are prohibited. Signs and banners larger than 8.5" x 11", or with content deemed inappropriate by Game Management, are prohibited and may be confiscated (implying smaller signs are allowed).

Kidd Brewer Stadium

Artificial/electronic noisemakers are banned; flags and banners aren't separately addressed.

Kinnick Stadium

Banners, signs, noisemakers, horns, bugles, and other disruptive devices are not allowed.

Kroger Field

Artificial noisemakers, irritants, and laser pointers are prohibited, as are poles/extensions/selfie sticks; banners and signs are allowed only with prior UK Athletics approval and must not block other guests' sight lines.

Kyle Field

Artificial noisemakers and unauthorized banners, signs, or flags are prohibited.

L&N Federal Credit Union Stadium

Artificial noisemakers (air horns, whistles) are banned outright, and flags of any size are prohibited entirely; banners/signs are allowed if non-commercial and non-offensive and don't obstruct views, but affixing one to a railing or wall needs prior permission and management can confiscate any sign for any reason.

LaVell Edwards Stadium

Battery-operated megaphones and artificial noisemakers are banned, and signs or banners are limited to 24" x 36" or smaller; whiteboards of any size are also prohibited.

Lambeau Field

Noisemakers of any kind and obstructive banners/signs are strictly prohibited; unauthorized commercial signage is not allowed anywhere in the stadium.

Lane Stadium

Noisemakers (horns, whistles, cow bells, turkey calls, etc.) and signs, flags, banners, or posters are prohibited.

Larry Blakeney Field at Veterans Memorial Stadium

Artificial noisemakers and large flags are listed as prohibited items.

Levi's Stadium

Noisemakers (bullhorns, klaxons, whistles) are prohibited. Flags/banners are limited to 2'x3' with no poles.

Lincoln Financial Field

Handheld signs smaller than 18"x24" that are event-related and without poles or sticks are permitted, but noisemaking devices such as bells, horns, kazoos, and whistles are prohibited.

Little Caesars Arena

Air horns, bullhorns, cowbells, whistles, vuvuzelas, and similar noisemakers are banned; banners/signs/flags larger than 11"x17" are prohibited, and no sign may be pole-affixed, obstruct views, or carry obscene/political/commercial messaging.

Los Angeles Memorial Coliseum

Flags/banners up to 3ft x 5ft are allowed without sticks or poles and if they don't obstruct sightlines or carry commercial/political messaging; noisemaking devices like horns, whistles and musical instruments are prohibited.

Lucas Oil Stadium

Artificial noisemakers (horns, whistles, bullhorns, electronic instruments, klaxons, boom boxes) are prohibited, but banners and signs are welcome as long as they aren't offensive, don't obstruct signage, and don't block other fans' views; poles or sticks may not be used to support banners.

Lumen Field

Noisemakers (megaphones, air horns, drums, cowbells) are banned; banners/signs/flags are allowed only if not on a pole/stick and don't obstruct views.

M&T Bank Stadium

Air horns, artificial noisemakers, cowbells, whistles, and flag/banner poles are prohibited.

Mackay Stadium

Banners and signs are not permitted inside the stadium, and athletics reserves the right to prohibit or remove any signage deemed obstructive, advertising-like, or inappropriate.

Magic Kingdom

Noisemakers (horns, whistles, megaphones, speakers), flags, and banners are not allowed in the theme parks.

McGuirk Alumni Stadium

Horns and other noisemakers are prohibited inside the stadium. Banners/signs are permitted up to 2'x3' with no derogatory/political/commercial content and must not block views.

McLane Stadium

Artificial noisemakers, as well as banners and signs, are prohibited.

Memorial Stadium (Clemson)

Artificial noisemakers and banners/flags/flagpoles are on the stadium's prohibited items list.

Memorial Stadium (Indiana)

Noise makers, placards/signs, banners, and flags are not permitted inside the stadium.

Memorial Stadium (Nebraska)

Noisemakers and banners/flags on poles are prohibited inside the stadium.

Mercedes-Benz Stadium

Noisemakers (air horns, cowbells, whistles) are banned; flags/signs up to 3'x5' are allowed if non-commercial, non-political, and made of paper/lightweight cloth.

MetLife Stadium

Noisemakers and banners/signs of any size are prohibited, except small officially-recognized national flags at international soccer matches.

Michie Stadium

Artificial noisemakers and laser pointers are prohibited. Banners/signs are permitted if in good taste as determined by the Army Athletic Association, but may not be hung on the stadium structure or field, obstruct other fans' views, or be mounted on sticks or poles.

Michigan Stadium

Artificial noisemakers, flags, and flagpoles are prohibited; handheld signs are allowed only without a pole/stick and without profane or abusive language.

MidAmerican Energy Field at Jack Trice Stadium

Signs and banners are not allowed inside the stadium, per the current Fan Code of Conduct's prohibited-items list.

Milan Puskar Stadium

Artificial noisemakers are prohibited, and banners/signs are not permitted except those associated with WVU Athletics.

Mountain America Stadium

Artificial noisemakers (air horns, thundersticks, cowbells, whistles, instruments) are banned. Signs and banners smaller than 3' x 2' with sport-related messages are allowed; larger, connected, non-sport-message signs, whiteboards, and poles of any kind are banned.

Nationals Park

Noisemakers not provided by the team, and any brooms/poles/staffs (effectively barring pole-mounted flags/banners), are prohibited.

Navy-Marine Corps Memorial Stadium

Noise makers and hanging banners, signs, or sticks are prohibited; commercial signage is also prohibited in the parking lots.

Neyland Stadium

Artificial noisemakers and flags are prohibited, and posters/signs larger than 8.5" x 11" are not allowed.

Nippert Stadium

Noisemakers, air horns, and other compressed-gas devices are prohibited outright; flags are permitted only without poles.

Nissan Stadium

Horns, whistles, and other noisemakers are prohibited; signs are limited to standard poster-board size (28"x22") and cannot block others' views, and banners/flags on sticks or poles are strictly prohibited.

Northwest Stadium

Noisemakers (airhorns, cowbells, whistles, instruments, etc.) are banned; handheld, event-related signs in good taste are allowed if not on a pole/stick exceeding 3'x6" and don't obstruct views.

Notre Dame Stadium

Artificial noisemakers (including whistles) and signs, banners, and balloons are all prohibited; violators of the noisemaker rule are subject to ejection.

Nu Stadium

Flags, banners and signs larger than 2' x 3', and poles or sticks of any size, are prohibited, along with artificial noisemakers (whistles, horns, bells, thundersticks, vuvuzelas, megaphones); pre-approved Supporters' groups are exempt from some of these restrictions.

Ohio Stadium

Noisemaking devices (air horns, bullhorns, whistles, cowbells, etc.), as well as banners, flags, posters, and signs, are prohibited.

Oracle Park

Noisemakers of any kind (e.g., air horns) are banned outright; banners, flags, and signs are permitted but may be removed if they're not baseball-related, are offensive/political/commercial, exceed 3 feet in height, are affixed to ballpark structures, block sightlines/signage, or are displayed while the game is in progress.

Oriole Park at Camden Yards

Air horns, cowbells, and other noisemakers are banned, but flags/banners/signs are welcome if no larger than 3' x 2' and made of light, flexible material such as paper or cloth.

Our Lady of Lourdes Stadium

Artificial noisemakers are prohibited; event-related signs, flags, and banners are allowed if 4 feet tall by 8 feet wide or smaller, not attached to a stick or pole, and don't obstruct signage or other guests, subject to removal at stadium management's discretion.

PNC Park

Banners and signs are welcome as long as they are 4' x 8' or smaller, don't block sightlines, and aren't hung on fences, railings, or fascia.

Paycor Stadium

Noisemakers and confetti are prohibited.

Petco Park

Noise-making devices (air horns, powered megaphones, bugles, drums, tambourines, musical instruments) are prohibited unless expressly authorized by the Padres; homemade signs/banners are welcomed if no larger than 4'x8', not commercial/political/obscene, not affixed to poles or sticks, and don't block sightlines or ballpark signage.

Pratt & Whitney Stadium at Rentschler Field

Artificial noisemakers, large or inappropriate banners/flags, and balloons are listed among prohibited items.

Progressive Field

Banners and signs are allowed under content/placement restrictions, but noisemaking devices (air horns, cowbells, whistles, bugles, bats) are banned.

Protective Stadium

Signs/banners must not exceed 11" x 17" and may not be attached to a stick or pole; bullhorns and other noisemakers are explicitly prohibited.

Raymond James Stadium

Artificial noisemakers (air horns, vuvuzelas, whistles) are banned; small hand-held signs/banners/flags up to 11"x17" without sticks or poles are allowed if event-related and non-commercial/non-political.

Reliant Stadium

Noisemakers (air horns, cowbells, whistles) are banned; handheld banners/signs are allowed only if one person can hold them, they're event-related and non-commercial, with no poles or metal/wood supports.

Reser Stadium

Handheld banners/flags are allowed if they don't obstruct views, hang from facades, or attach to a pole; artificial noisemakers and flags/signs on sticks or poles are prohibited outright, except cheerleader megaphones.

Rice Stadium

Artificial noisemakers and unauthorized banners, signs, or flags are prohibited.

Rice-Eccles Stadium

Artificial noisemakers are prohibited, but signs, banners and flags are allowed if they meet size and content rules.

Rogers Centre

Musical instruments and noise-making devices (e.g. air horns) are prohibited, but homemade banners and signs are welcome as long as they don't interfere with the game, block signage, or carry commercial/political/religious/offensive content.

Rose Bowl Stadium

Noisemakers (thunder sticks, instruments, whistles, air horns, boom boxes) and banners, signs, flags, poles, or sticks are prohibited.

Ross-Ade Stadium

Noisemakers/irritants and strobe lights are banned outright; signs must be smaller than 12" x 12" and cannot be on a pole or contain offensive content, and large signs, flags, or banners are prohibited.

Ryan Field

Noisemakers (cowbells, musical instruments, horns) and banners/flags/signs are all explicitly prohibited.

S.B. Ballard Stadium

Handheld banners and signs are approved if sportsmanlike and not view-blocking; flags are approved but flagpoles are not. Cowbells, horns, whistles, drums, and megaphones are prohibited, while thunder sticks, balloons, fan clappers, and "rollabana" are approved.

SECU Stadium

Artificial noisemakers are prohibited outright; signs/flags are allowed only if handheld, event-related, non-commercial/non-political, not obstructing views, and not on a stick or pole, and may not be hung on the stadium structure.

SHI Stadium

Noisemaking devices, balloons, and laser pointers are all on the prohibited-items list.

Scotiabank Arena

Noisemakers like whistles and horns are prohibited; signs/banners are allowed only if not affixed to poles or hard sticks and (for sports) don't exceed 22"x28", or 8.5"x11" for concerts, and must not contain vulgar, discriminatory, or political content.

Scott Stadium

Artificial noisemakers are prohibited outright; banners, signs, and flags are allowed only if they don't block another guest's view or facility signage and aren't attached to the facility, with any on a pole or stick prohibited.

SeaWorld Orlando

Portable stereos, amplified speakers, and other devices that emit loud or disruptive sound are banned.

SeaWorld San Diego

Flags, banners, signs, or voice-amplification devices used to conduct demonstrations or incite a crowd are prohibited.

Simmons Bank Liberty Stadium

Air horns/artificial noisemakers are prohibited except those that are team-approved; poles or sticks, balloons, confetti, glitter, and "objectionable" banners are also prohibited.

Snapdragon Stadium

Banners, posters, signs, and flags are allowed up to 24" x 36", must not be profane/lewd/derogatory, and may not obstruct views or be affixed to railings. Musical instruments and any noise-making device are prohibited.

Soldier Field

Noise-making devices (horns, whistles, etc.) are prohibited, but flags/banners/signs are permitted if they don't obstruct other guests' views, aren't commercial or offensive, and don't cover official stadium signage.

Sonny Lubick Field at Canvas Stadium

Banners/flags/signs are permitted if football-related and in good taste, not hung on the playing surface, and not obstructing views or stadium advertising; flags affixed to poles or sticks are prohibited, as are artificial noisemakers.

Spartan Stadium

Artificial noisemakers, flags, banners, signs, and flagpoles are prohibited.

Sports Illustrated Stadium

Noisemakers of any kind are banned, while flags up to 3' x 5' without poles are permitted if event-related.

Stafford-Smith Field at Waldo Stadium

Flags and flagpoles are prohibited, as are amplified noisemakers (bullhorns, air horns) and musical instruments other than the WMU marching band; limited non-amplified noisemakers (thunder sticks, vuvuzela horns, cowbells) are permitted.

Stanford Stadium

Artificial noisemakers are prohibited, as are banners and signs.

State Farm Stadium

Noisemakers (air horns, cowbells, whistles, vuvuzelas) are entirely prohibited; banners/signs are allowed only up to 3'x2' and must be non-commercial, non-political, non-obscene.

Sun Bowl Stadium

Artificial noisemakers are prohibited; banners, flags, and signs are allowed up to 24" x 36" if football-related and in good taste, not displayed on the playing surface or blocking others' views, and not affixed to poles or sticks.

Sutter Health Park

Noisemakers of any kind (air horns, cowbells, bullhorns, whistles, drums, etc.) are prohibited, as are banners, signs, and flags of any size.

Synovus Bank Amphitheater at Chastain Park

Signs and banners larger than 8.5" x 11" (standard paper size) are not permitted. Noisemakers such as air horns are not addressed as their own category on any official page found.

T-Mobile Arena

Noise-making devices (air horns, whistles, bells, vuvuzelas) are banned; signs/flags/banners are allowed only if 11" x 17" or smaller, event-relevant, and not attached to a pole or stick.

T-Mobile Park

Noisemakers, flag poles/sticks of any material, and signs/banners with non-sporting messaging are prohibited.

TD Garden

Artificial noisemakers and large banners/flags/signs are banned; small signs up to 11"x14" following the Code of Conduct are permitted (no poles).

TDECU Stadium

Artificial noisemakers are prohibited; banners, signs, and flags are allowed if they don't block another guest's view or cover facility signage, and aren't attached to the facility or mounted on poles/sticks.

Target Field

Noise-making devices, air horns, and boom boxes are prohibited; handheld homemade signs/banners are welcomed under stated guidelines.

Tiger Stadium

Artificial noisemakers are prohibited under SEC rules, and banners may not be hung and poles may not be brought in unless pre-approved by LSU Athletic Administration.

Toyota Center

Signs, banners, and flags are allowed only up to 11" x 17" and may not be displayed during play, hung/fastened, mounted on poles, or contain political/commercial/obscene content; unauthorized noisemakers are prohibited.

Tropicana Field

Baseball-related banners, signs, and flags are allowed, but bullhorns, air horns, whistles, and other loud noisemakers are banned (small cowbells remain a Rays exception).

Truist Park

Bullhorns, noisemakers, and confetti are banned; signs/banners are allowed only if baseball-related, non-commercial, and not obstructive (1 per location).

U.S. Bank Stadium

Handheld signs of 18"x24" or smaller are permitted, but larger signs, banners, flags, signs on poles/staffs/selfie sticks, and noisemakers such as air horns, whistles, and cowbells are prohibited.

United Center

Air horns and other artificial noisemakers are banned; flags, banners, and signs are allowed up to 8.5'x11' but can't be attached to poles or sticks.

University Stadium

Artificial noisemakers (horns, drums, bells, cowbells, whistles) are prohibited per Mountain West Conference rules; banners/signs are allowed only at standard 8.5" x 11" paper size with no advertising or offensive content, and signs on sticks or poles are prohibited.

Valley Children's Stadium

Artificial noisemakers and unauthorized banners are prohibited, along with laser pointers; the phrasing implies pre-authorized banners may be permitted, though no approval process is described.

Vaught-Hemingway Stadium

Artificial noisemakers are banned outright, while banners and signs are allowed only up to a small size.

Williams Stadium

Handheld banners, signs, and flags are permitted if not attached to a pole and not commercial, political, or offensive; they may not be hung in the stadium and must not obstruct others' view.

Williams-Brice Stadium

Artificial noisemakers, flags/flagpoles, unauthorized banners or posters, and pom-poms/shakers with stick handles are all prohibited and subject to confiscation.

Wrigley Field

Air horns/noisemakers are prohibited; banners/signs/flags may not be on sticks or poles, attached to railings, or block others' views, and are limited to before/after the game and between innings.

Xfinity Mobile Arena

Signs, banners, and flags up to 11" x 17" made of cloth, paper, or paperboard are allowed (no poles, no obstructing views/signage, no political or commercial messages), but noisemaking devices such as air horns, whistles, foghorns, and vuvuzelas are prohibited.

Yulman Stadium

Artificial noisemakers are prohibited except thunder sticks, which are explicitly permitted. Flags, signs, banners, and posters are all prohibited.

loanDepot park

Traditional artificial noisemakers (air horns, bullhorns, whistles, rattles, cowbells, thundersticks) are banned, and flags/banners/signs are capped at 3'x5' of light, flexible material — but the Marlins have specifically invited fans to bring drums and musical instruments and wave flags since a 2024 team policy change.