Overview Color : Clear Material : Polyvinyl Chloride (PVC) Style : 100P , Clear Brand : Binditek Sheet Size : Letter About this item 100 Pack: These plastic binding covers have obtained the certificate of quality from UL. 8-1/2" x 11", suitable for letter size. 12 Mil PVC: Made from strong, 12 mil PVC material, these plastic binding covers protect your persentation from bends and creases. Clear PVC Cover: Long-lasting and sturdy to withstand frequent handling. Work with any binding system (except thermal). Square Corners: Flush cut square corners give your work a neat presentation and they're water-proof and tear-proof to keep your persentation clean. Unpunched for easy use: Unpunched binding covers can be used with any binding spine, in any binding style that suits your needs. They are well-suited for use in school offices or at home, making them a great gift for teachers, students, and colleagues.