Vellum bristol paper is designed to run on small offset presses, large offset presses, copiers, laser printers and inkjet printers as well as plain paper fax machines that accept a higher basis weight and vellum finish papers. Acid-free design offers an added archival quality that extends the life of your documents. Smooth, level printing surface allows a proper ink holdout and dries quickly. 67 lb. Digital Vellum Bristol Cover meets USPS regulations for 7 point reply cards.