I always take my purse and they just check it on the way in. It's not fun to hold onto though and people tend to spill drinks (although the last time it was my own drink into my own purse lol) but you can hold it or set it at your feet.
4.5 x 6.5 x 1.5 Clutch size wallet 12 x 12 x 4 Clear bag. Cannot be a clear colored bag! Needs to be transparent.
4 x 6 clear plastic but call them to be sure.
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