What are the stadium's bag policy and restrictions?
The Seattle Mariners have implemented specific policies regarding bags and other items that fans may bring into T-Mobile Park, the home stadium of the Mariners. To enhance security and ensure a safer environment for all attendees, the Mariners encourage fans to limit the number of bags they bring. Generally, bags larger than the standard size of 16 inches by 16 inches by 8 inches are prohibited. This includes backpacks, larger purses, and other substantial containers.
In addition, the Mariners permit small clutches or bags that are in compliance with this size restriction. Fans are also advised that all bags will be subject to inspection at the security checkpoints upon entering the stadium. Other items such as umbrellas, outside food and beverages, and signs or banners may also have specific restrictions, so it is essential for fans to familiarize themselves with the full list of prohibited items.
For the most up-to-date information regarding the bag policy and the list of any additional restrictions, it is advisable to check the current web page of the Mariners or the T-Mobile Park website. This ensures that fans are fully informed and can enjoy their experience at the ballpark without any issues.

Answered Jul 25, 2025
Need further help?
Type out your followup or related question and we will get you an answer right away.
Need to contact Seattle Mariners?
If you need to talk to Seattle Mariners customer service, now that you have the answers
that you needed, click the button below.
Contact Seattle Mariners