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 up. Opens and closes with just the touch of one finger which earned this binder the "Ease-Of-Use" Commendation from the Arthritis Foundation. Safer and easier to use than other metal ring binders--no more pinched fingers. Two inside pockets for additional storage. Label holder to assist with easy identification of binder contents. Two curved poly sheet lifters included to help turn pages over rings easily. Binder Type: Ring Binder, Global Product Type: Binders, Binder Style: Non-View, Maximum Capacity Range ("): 1 1/2 Inch.