Special Corner Lock® feature fits snugly over the clear front cover to ensure documents don't fall out. Sturdy heavy plastic keeps contents looking fresh. Fits into 11 x 8 1/2 binders. Also ideal for protecting loose single sheets. Nonstick polypropylene material is acid-free and won't lift print. Color(s): Clear; Height: 11.75"; Width: 9.5"; Quantity: 4/Pack.