Acts as both a binder and notebook, storing up to 25% more sheets than standard round-ring binders. Gap Freeļæ½ ring design prevents gapping and misalignment of rings. Pages lie flat against back cover for easy index visibility. Create an "instant desk" by folding cover back for a smooth, flat writing surface. Two interior pockets store unbound materials so nothing gets lost. Maximum Capacity Range ("): 3 in; Sheet Capacity: 600; Color(s): Black; Binder Sheet Size: 11 x 8 1/2.