Binding Paper, 19 Hole Pre Punched, 8.5 x 11", 20 Lb. Pack of 500. 19 Hole Pre Punched Binding Paper For Use with Plastic Comb Bindings, 8.5 x 11", 20 Lb., Pack Of 500. Prepunched paper for binding systems eliminates the need for manual punching on big jobs. Bond paper runs cleanly through office equipment including copiers, laser printers and inkjet printers. White 92 brite paper.