Staples 100% Recycled Copy Fax Laser Inkjet Printer Paper, 500 Sheets, Bright White One single ream (500 sheets), 8.5" X 11" letter size 20 Lb. density, 92 US/ 100+ euro bright for vivid text and images, 20-Lb paper is ideal for everyday use Recycled paper benefits the environment, FSC certified to ensure the health of the world's forests for future generations Ideal for copiers, fax machines, laser and inkjet printers, acid-free paper won't yellow or fade over time Acid free for archival quality documents, elemental chlorine free (ECF), this paper is processed without elemental chlorine