Avery Heavy-Duty View 3 Ring Binders, 1/2" Slant Rings, 1 White Binder (79767) - 1/2" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 135 Sheet Capacity - 135 Ring - Fastener: Slant Ring - Pocket: 4, Internal - Polypropylene - White - Adhesive,