Comet Copy Paper, 92 Bright, 20LB. 8.5x11 8.5 x 11 White 5000 Sheets/Case Carton Brightness Rating (US): 92 | Paper Weight: 20lb | Paper Size: 8.5 x 11 Environmental Characteristics: Made with Elemental Chlorine Free (ECF) fiber content, manufactured under Acid-Free conditions for increased performance Sheets Per Order: 5,000 | 10 Reams: 500ea | Full case Machine Compatibility: Copiers, Fax Machines, Laser and Inkjet Printers, Multifunction Machines The use of aftermarket replacement cartridges and supplies does not void your printer's warranty