Staples Brand 3-Hole Punched Multipurpose Copy Fax Laser Inkjet Printer Paper, 8 1/2 x 11 Inch Letter  Size, Punch, 20 lb., 96 Bright White, Acid Free, Ream, 500 Total Sheets (562783) One single ream, 500 sheets, Letter sized (8.5" x11"), 3-hole punched 20 lb. Density, 96 US / 109 Euro Bright Bright white paper provides better contrast Works great in your laser or inkjet printer Acid free - will not yellow or crumble over time. FSC certified