Avery Durable View 3 Ring Binder - 4" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 780 Sheet Capacity - 3 Ring - Fastener: D-Ring - Pocket: 4, Internal - Polypropylene - White - Recycled - Durable, Easy Insert Spine, Exposed Rivet, Gap-free R