Made of durable foam polypropylene. More earth-friendly than standard vinyl because it is PVC-free. Features a durable hinge for added strength. Open and close trigger make it easy to add or remove sheets. One interior front pocket for additional document storage, plus a business card slot. Maximum Capacity Range ("): 1 in; Sheet Capacity: 175; Color(s): Green; Binder Sheet Size: 11 x 8 1/2.