Bag hardware will vary.
This bag measures at 11 inches wide, 11.5 inches tall and 5.5 inches deep.
 
It has two ajustable straps and an exterior zipper pocket along the back for valuables. Inside, there is a zippered pocket, a key strap + lobster clip, a slip pouch and a pouch specifically for drinks/cups.
 
The sides of the bag and be unzipped for some extra room.