Oversized: These plastic binding covers have obtained the certificate of quality from UL. 8-3/4 x 11-1/4 inches. Pack of 50. 8 Mil Thickness: Made from strong, 8 mil PVC material. These plastic binding covers are more long-lasting that protect your documents from spills and tears. Clear PVC Binding Cover: 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 spill-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. Binditek 50 Pack 8 Mil Clear PVC Binding Presentation Covers, Oversize, 8.75x11.25 Inches, Square Corner, Unpunched, Office School Supplies