Avery Durable Binder - DuraHinge - 1" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 220 Sheet Capacity - 3 Ring - Fastener: Slant D-Ring - Pocket: 2, Internal - Black - 1.13 lb - Recycled - Gap-free Ring, Stacked Pocket, Exposed Rivet, Durable