I don't carry in it in my pocket. I have a small cross body bag that is basically a phone holder with space for cards. My husband puts it in precariously in one of his pockets (it's a bit big, but it's only for bag check) and we go through the no bag line. Then I take it back, and put it crossbody again. It literally holds my phone and credit cards and maybe a lip balm--like this one:
