Definitely don't need one that big! I'll stick with the small I think, only need it for carry normal shoes to change into and a few bits and bobs when I'm shooting on location.
the smallest and cheapest one from TFG seemed to fit your bill nicely given the description of the item you want to carry.
the smallest and cheapest one from TFG seemed to fit your bill nicely given the description of the item you want to carry.