T-Mobile Park
Stadium & Arena · Seattle, WA · Seattle Mariners / MLB (T-Mobile Park)
Bags & Backpacks
ConditionalOnly 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
ConditionalOne 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
ConditionalOutside food is allowed only in single-serving sizes.
- Max quantity
- Single-serving portions
Medical Supplies & Equipment
AllowedMedically necessary items and beverages are exempt from the standard 4.5"x6.5" small-bag limit, subject to inspection.
Alcohol / BYOB
Not AllowedAlcoholic 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 AllowedT-Mobile Park is a no-smoking venue including marijuana, per the Washington Clean Air Act, despite Washington's legal recreational cannabis status.
Coolers
Not AllowedHard-sided/Styrofoam coolers, hard plastic soft-cooler inserts, and backpack coolers are not permitted.
Strollers & Wagons
AllowedStrollers, wheelchairs and other mobility products are allowed inside T-Mobile Park.
Breast Pumps & Nursing Supplies
ConditionalBreast 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
AllowedWheelchairs and other mobility products are allowed inside T-Mobile Park.
E-Bikes, Scooters & Hoverboards
Not AllowedHoverboards, skateboards, roller skates, and roller blades are not permitted inside the ballpark.
Cameras & Photo Gear
ConditionalPersonal 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 AllowedDrones are explicitly listed among prohibited items at T-Mobile Park.
Umbrellas
ConditionalUmbrellas are permitted but cannot be opened in the seating areas or obstruct other guests' views.
Noisemakers, Flags & Banners
Not AllowedNoisemakers, 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
ConditionalBlankets are okay to bring in; chairs, stools, or bleacher seat backs containing metal are not.
Weapons
Not AllowedWeapons of any kind, including toy guns/knives/water guns, are prohibited.
Vapes & Smoking
Not AllowedT-Mobile Park is a no-smoking venue (including marijuana, chewing tobacco, and electronic cigarettes) per the Washington Clean Air Act.
Pets & Service Animals
ConditionalAnimals/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 AllowedGuests 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