This five-punched paper is ideal for hospital charts, legal files, mortgage documents and corporate presentations. ColorLok Technology delivers bolder blacks and vivid colors with inkjet printing and better quality and performance with laser printing. 20 lb. paper is compatible with high-speed copiers, laser and inkjet printers and offset presses. Jam-free performance means less downtime. Letter-size sheets are custom laser-cut and five-hole punched with 5/16" holes at the top for easy insertion.