Avery® Durable Binder - DuraHinge

3" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 600 Sheet Capacity - 3 Ring(s) - Fastener(s): Slant D-Ring - Pocket(s): 2, Internal - Black - 1.98 lb - Recycled - Gap-free Ring, Stacked Pocket, Exposed Rivet, Durable - 1 Each. DuraHinge design that's stronger, lasts longer and resists tearing. DuraEdge makes the sides and top more pliable to resist splitting.