Yes, and you can enter food and bottles in it.
Yes, but it will be searched on entry. It is a quick search and you can carry it on most rides, some you might not want to bring on because you will get wet but they usually have lockers for that.
Yes but they do search it
Yes
We always carry a pack in the parks. They'll search it on entry, but it's usually pretty quick and you can take it on most rides, plus the weather change quickly so it's good to be prepared.
Yes,but it will have to be searched upon entry. This will cause delays if there are big crowds. I'd minimize as much as possible. We carried nothing and walked right in
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