EasyOpen locking round ring mechanism instantly engages when closed, eliminating two-step and two-hand operation. No scratched desks or bookshelves from triggers that don't close properly. Rings open, close and lock with just the touch of one finger. Two inside pockets for additional storage. Label holder to assist with easy identification of binder contents. Maximum Capacity Range ("): 1 1/2 in; Sheet Capacity: 325; Color(s): Red; Binder Sheet Size: 11 x 8 1/2.