Avery® DuraHinge Ring Binder

2" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 540 Sheet Capacity - 3 x 2" Ring(s) - Fastener(s): Ring - Pocket(s): 4, Internal - Polypropylene - Green - Recycled - Pocket, Durable Hinge, Long Lasting, Tear Resistant, Split Resistant, Locking Ring, Heavy Duty, Clear Overlay, PVC-free - 6 / Carton. DuraHinge design that's stronger, lasts longer and resists tearing. DuraEdge makes the sides and top more pliable to resist splitting.