Aspen 50 Multi-Use Paper, 92 Bright, 500 Sheets/Ream, 8 1/2" x 11", 20 lb. Sold as single ream (500 Sheets), 8.5 x 11" letter size 50% post-consumer recycled content, for those who prefer a green alternative Engineered for use in high-speed copiers, printers, all-in-ones and plain paper faxes High performance and consistent run ability in copiers, laser or inkjet printers 92 bright, 20 lb. Density, Acid-free. FSC Chain of Custody certified