Avery Heavy-Duty View Binders with One Touch EZD Rings

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