4" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 780 Sheet Capacity - 4 1/2" Spine Width - 780 x 4" Ring - Fastener: D-Ring - Pocket: 4, Internal - DuraHinge design - Polypropylene - Black - Durable, Label Holder, Smooth, Long Lasting, Tear Resistant, Split Resistant, One Touch Ring, Heavy Duty, Archival-safe - 1 Each
- DuraHinge design that's stronger, lasts longer and resists tearing
- DuraEdge makes the sides and top more pliable to resist splitting
- Deep-texture film offers a smoother finish for high-quality look and feel
- Wide binder panels fully cover standard sheet protectors and dividers
- Pages lie flat with back-mounted rings