Cardinal EasyOpen ClearVue Locking Slant-D Ring Binder - 1" (25.40 mm) Binder Capacity - Letter - 8 1/2" (215.90 mm) x 11" (279.40 mm) Sheet Size - 225 Sheet Capacity - 1" (25.40 mm) Spine Width - 3 Ring(s) - Fastener(s): D-Ring - Pocket(s): 2, Inside Front & Back - Vinyl - White - 1.02 lb (462.66 g