Swingline GBC 100% Recycled Poly Binding Cover, 11"x8-1/2", Frost, Pack of 25 (25817) FROST COVERS  Great for displaying your work in a subtle way, showcasing pages through a slightly opaque finish. They also do not show fingerprints and eliminate glare. RECYCLED POLY COVERS  Tough, polypropylene covers are made from recycled content. Sturdy covers are also an eco-friendly choice. UNPUNCHED FOR EASY USE  Unpunched covers can be used with any binding spine, in any binding style that suits your needs. CONVENIENT SQUARE CORNERS  Flush cut square corners give your work a neat presentation. 25 PER PACK  A pack of 25 covers makes an excellent addition to your stock of office supplies.