Avery One Touch Heavy-Duty View Binder

1/2" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 135 Sheet Capacity - 45/64" Spine Width - 3 x 0.50" Ring(s) - Fastener(s): Slant Ring - Pocket(s): 4, Internal - Polypropylene - Black - Recycled - Pocket, Durable Hinge, One Touch Ring, Heavy Duty, Long Lasting, Tear Resistant, Split Resistant, Flexible, Lay Flat, Spine, Durable, ... - 6 / Carton. DuraHinge design that's stronger, lasts longer and resists tearing. DuraEdge makes the sides and top more pliable to resist splitting.