Cardinal Performer ClearVue Round Ring Binder - 3" (76.20 mm) Binder Capacity - Letter - 8 1/2" (215.90 mm) x 11" (279.40 mm) Sheet Size - 625 Sheet Capacity - 2 29/32" (73.66 mm) Spine Width - 3 Ring(s) - Fastener(s): Round Ring - Pocket(s): 2, Inside Front & Back - Polypropylene - White - 1.56 lb