Heavyweight sheet is designed to run effectively through all your office equipment, ColorLok Technology for vivid colors, bolder blacks and faster drying time, 99, 99% Jam-Free and acid-free for archival quality, Ideal for reports, proposals, newsletters and direct mail, This product was made from wood that came from a certified managed forest, Heavyweight sheet is designed to run effectively through all your office equipment, ColorLok Technology for vivid colors, bolder blacks and faster drying time, 99, 99% Jam-Free, Acid-free for archival quality, Ideal for reports, proposals, newsletters and direct mail, This product was made from wood that came from a certified managed forest, SKU: AZERTY4130