Case it Large Capacity Zipper Binder, 3 Rings, 3" Capacity, 11 x 8.5, Purple - Premium large rings hold multiple subjects. Five tab, six pocket expanding file allows for storage up to six subjects. Handle and shoulder strap creates ease of mobility. Patented angled zipper keeps gusset out of the way when writing. Unique designed gusset is made of Rip-stop material that traps punctures to prevent tearing.