Not sure check the website
Food, drinks, phone, camera, but no pets or weapons. This includes sports bats. Edit: During a game and not an event however you cannot bring food except water.
"Guests are not allowed to bring any outside beverages, cans or bottles into Raley Field. The following items are permitted: unopened, soft-sided containers of drinks such as water, small milk cartons, juice boxes or pouches, baby formula, bottles and baby food and medication or other special needs."
I'm not exactly sure you might want to go on their website
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