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T-Mobile Park

Stadium & Arena · Seattle, WA · Seattle Mariners / MLB (T-Mobile Park)

Official venue site ↗

Bags & Backpacks

Conditional

Only small clear bags (up to 12"x6"x12") or small non-clear clutches (up to 4.5"x6.5") are allowed; backpacks and larger purses are not.

Bags with contents obscured from view (even clear ones) aren't allowed.

Max size
12"x6"x12" (clear); 4.5"x6.5" (non-clear clutch)

Exceptions: Medically necessary items; single-compartment diaper bags (child must be present)

Water Bottles

Conditional

One factory-sealed plastic water bottle (32oz or less) or one empty reusable plastic bottle (32oz or less) is allowed per guest; soda/coffee are not.

Max quantity
1 bottle, 32 oz or less

Exceptions: Baby bottles and medically necessary beverages

Outside Food

Conditional

Outside food is allowed only in single-serving sizes.

Max quantity
Single-serving portions

Medical Supplies & Equipment

Allowed

Medically necessary items and beverages are exempt from the standard 4.5"x6.5" small-bag limit, subject to inspection.

Alcohol / BYOB

Not Allowed

Alcoholic beverages and non-alcoholic beer of any kind (bottles, cans, flasks, zip-top bags) are not allowed; alcohol is sold inside instead.

Cannabis / Marijuana

Not Allowed

T-Mobile Park is a no-smoking venue including marijuana, per the Washington Clean Air Act, despite Washington's legal recreational cannabis status.

Coolers

Not Allowed

Hard-sided/Styrofoam coolers, hard plastic soft-cooler inserts, and backpack coolers are not permitted.

Strollers & Wagons

Allowed

Strollers, wheelchairs and other mobility products are allowed inside T-Mobile Park.

Breast Pumps & Nursing Supplies

Conditional

Breast pumps are allowed under the medical-items exception; a Nursing Lounge is near Section 128, with a private room near Section 329 by request.

Wheelchairs & ECVs

Allowed

Wheelchairs and other mobility products are allowed inside T-Mobile Park.

E-Bikes, Scooters & Hoverboards

Not Allowed

Hoverboards, skateboards, roller skates, and roller blades are not permitted inside the ballpark.

Cameras & Photo Gear

Conditional

Personal photography/video is fine, but videotaping game action, professional cameras, tripods/monopods, and selfie sticks are prohibited.

Max size
Camera lens under 6 inches extended

Drones

Not Allowed

Drones are explicitly listed among prohibited items at T-Mobile Park.

Umbrellas

Conditional

Umbrellas are permitted but cannot be opened in the seating areas or obstruct other guests' views.

Noisemakers, Flags & Banners

Not Allowed

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

Exceptions: Sports-related signs/banners without poles may be permitted at venue discretion

Chairs & Blankets

Conditional

Blankets are okay to bring in; chairs, stools, or bleacher seat backs containing metal are not.

Weapons

Not Allowed

Weapons of any kind, including toy guns/knives/water guns, are prohibited.

Vapes & Smoking

Not Allowed

T-Mobile Park is a no-smoking venue (including marijuana, chewing tobacco, and electronic cigarettes) per the Washington Clean Air Act.

Pets & Service Animals

Conditional

Animals/pets aren't allowed except service animals and service animals-in-training; dogs allowed at special 'Bark at the Park' events.

Exceptions: Service animals; dogs at special Bark at the Park events

Re-Entry

Not Allowed

Guests are not permitted to re-enter the ballpark once they leave, except in an emergency with staff approval.

Exceptions: Emergency re-entry with staff approval, subject to re-screening

Only 20 item types have been independently verified for T-Mobile Park so far.

Not yet verified for T-Mobile Park: Costumes & Masks, Power Banks & Batteries, Other — this doesn't mean it's unrestricted, just not researched yet.

Frequently asked questions about T-Mobile Park

What is the bag policy and size limit at T-Mobile Park?

Conditional. Only small clear bags (up to 12"x6"x12") or small non-clear clutches (up to 4.5"x6.5") are allowed; backpacks and larger purses are not. Bags with contents obscured from view (even clear ones) aren't allowed. Max size: 12"x6"x12" (clear); 4.5"x6.5" (non-clear clutch). Exceptions: Medically necessary items; single-compartment diaper bags (child must be present)

What is the water bottle policy at T-Mobile Park?

Conditional. One factory-sealed plastic water bottle (32oz or less) or one empty reusable plastic bottle (32oz or less) is allowed per guest; soda/coffee are not. Max quantity: 1 bottle, 32 oz or less. Exceptions: Baby bottles and medically necessary beverages

What is the outside food policy at T-Mobile Park?

Conditional. Outside food is allowed only in single-serving sizes. Max quantity: Single-serving portions.

Can I bring medical supplies or equipment into T-Mobile Park?

Allowed. Medically necessary items and beverages are exempt from the standard 4.5"x6.5" small-bag limit, subject to inspection.

Can you bring your own alcohol (BYOB) into T-Mobile Park?

Not Allowed. Alcoholic beverages and non-alcoholic beer of any kind (bottles, cans, flasks, zip-top bags) are not allowed; alcohol is sold inside instead.

Is cannabis or marijuana allowed at T-Mobile Park?

Not Allowed. T-Mobile Park is a no-smoking venue including marijuana, per the Washington Clean Air Act, despite Washington's legal recreational cannabis status.

Are coolers allowed at T-Mobile Park?

Not Allowed. Hard-sided/Styrofoam coolers, hard plastic soft-cooler inserts, and backpack coolers are not permitted.

Are strollers and wagons allowed at T-Mobile Park?

Allowed. Strollers, wheelchairs and other mobility products are allowed inside T-Mobile Park.

Can I bring a breast pump or nursing supplies into T-Mobile Park?

Conditional. Breast pumps are allowed under the medical-items exception; a Nursing Lounge is near Section 128, with a private room near Section 329 by request.

Are wheelchairs and ECVs allowed at T-Mobile Park?

Allowed. Wheelchairs and other mobility products are allowed inside T-Mobile Park.

Are e-bikes, scooters, or hoverboards allowed at T-Mobile Park?

Not Allowed. Hoverboards, skateboards, roller skates, and roller blades are not permitted inside the ballpark.

What is the camera policy at T-Mobile Park, and what equipment is allowed?

Conditional. Personal photography/video is fine, but videotaping game action, professional cameras, tripods/monopods, and selfie sticks are prohibited. Max size: Camera lens under 6 inches extended.

Are drones allowed at T-Mobile Park?

Not Allowed. Drones are explicitly listed among prohibited items at T-Mobile Park.

Are umbrellas allowed at T-Mobile Park?

Conditional. Umbrellas are permitted but cannot be opened in the seating areas or obstruct other guests' views.

Are noisemakers, flags, or banners allowed at T-Mobile Park?

Not Allowed. Noisemakers, flag poles/sticks of any material, and signs/banners with non-sporting messaging are prohibited. Exceptions: Sports-related signs/banners without poles may be permitted at venue discretion

Are chairs and blankets allowed at T-Mobile Park?

Conditional. Blankets are okay to bring in; chairs, stools, or bleacher seat backs containing metal are not.

What is the weapons policy at T-Mobile Park?

Not Allowed. Weapons of any kind, including toy guns/knives/water guns, are prohibited.

Is smoking or vaping allowed at T-Mobile Park, and is there a designated area?

Not Allowed. T-Mobile Park is a no-smoking venue (including marijuana, chewing tobacco, and electronic cigarettes) per the Washington Clean Air Act.

Are pets or service animals allowed at T-Mobile Park?

Conditional. Animals/pets aren't allowed except service animals and service animals-in-training; dogs allowed at special 'Bark at the Park' events. Exceptions: Service animals; dogs at special Bark at the Park events

Does T-Mobile Park allow re-entry?

Not Allowed. Guests are not permitted to re-enter the ballpark once they leave, except in an emergency with staff approval. Exceptions: Emergency re-entry with staff approval, subject to re-screening

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