Avery Durable View Binders - EZD Rings - 4" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 780 Sheet Capacity - Fastener(s): 3 x D-Ring - Pocket(s): 4, Internal - Poly - Black - Recycled - Easy Insert Spine, Exposed Rivet, Gap-free Ring, Stacke