Avery® 3" Heavy Duty Binder

3" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 670 Sheet Capacity - 3" Ring(s) - Fastener(s): Ring - Pocket(s): 4, Internal - Polypropylene - Blue - Recycled - Pocket, Heavy Duty, One Touch Ring, Long Lasting, Tear Resistant, Split Resistant, Locking Ring, PVC-free, Durable, Smooth, Gap-free Ring, ... - 1 Each. DuraHinge design that's stronger, lasts longer and resists tearing. DuraEdge makes the sides and top more pliable to resist splitting.