Avery Durable View 3 Ring Binder, 3" Slant Rings, 1 Black Binder (17041) - 3" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 600 Sheet Capacity - 635 Ring - Fastener: Slant Ring - Pocket: 2, Internal - Polypropylene - Black - Adhesive, Durable,