Easy Open® rings open close and lock with one touch. Heavy-duty construction. Lifetime warranty on cover. Dual-Fold™ living hinge guaranteed against cracking and breakdown. Transfer-safe material will not damage photos or documents. Includes self adhesive spine labels for easy identification. Capacity Range [Max]: 1 1/2in; Sheet Capacity: 350; Color(s): Black; Binder Sheet Size: 8 1/2 x 11.