Avery Durable View 3 Ring Binders, 1" Slant Rings, 4 White Binders (17575) - 1" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 250 Sheet Capacity - 1 2/5" Spine Width - 3 x 1" Ring - Fastener: Slant Ring - Pocket: 2, Internal - Polypropylene - White