The Cinch Book Binding Machine by We R Memory Keepers makes book binding quick, easy and affordable. Punch perfect holes with customizable hole spacing on any size project. Then thread the covers and pages onto the Cinch binding wire. Finish it all off with these page protectors to keep it all safe from water and other elements. Imported.Details:Clear5" x 7"Includes 10 page protectorEach one has pre-punched holes with a 2:1 pitch