Staples Multipurpose Copy Laser Inkjet Paper, Acid Free, Ream, 500 Total Sheets, White Single ream of 500 sheets, 8.5" x 11" Letter Size 20 lb. Density, 92 US / 104 Euro Bright Ideal for toner-based copiers, plain-paper fax machines, laser and inkjet printers Reliable copy paper perfect for everyday use, recommended for black and white copiers Acid free, archive safe - won't yellow or crumble over time