Aspen 30% Recycled Copy Fax Laser Inkjet Printer Office Paper, 8 1/2" x 11" Letter Size, 92 Bright  White, 20 lb., Ream, 500 Total Sheets One single ream (500 sheets), 8.5" x 11" Letter size, 20 lb. Density, 92 Brightness White 30% Recycled post-consumer content Engineered for use in high-speed copiers, plain-paper faxes, and laser printers Consistent, dependable performance in all copiers, and laser or inkjet printers Acid-free, SFI certified