Some of these places forbid any outside food or drink.
Pro tip: Pretend your a coach. Pull your wagon in with 2 buckets of balls, bownet, clipboard and lawn chair . You can get a lot of food and drinks in those buckets under the 6 or 7 softballs on top.
Especially... no, definitely... when they allow three coaches free and your team only has 2.
"Yup, Assistant Coach #2 here. Here's my DD, she pitches. Have a nice day!!!"