HP Multipurpose Pink Ribbon Breast Cancer Awareness Copy Laser Inkjet Printer Paper, 8 1/2 x 11 Inch Letter Size, 20 lb. Density, 96 Bright White, ColorLok, Acid Free, Ream, 500 Total Sheets (206230) One single 500 Sheet Ream White Office Copy Paper, 8.5 x 11 Inch Letter Size, 20 lb. Density, 96 US / 107 Euro Bright HP will donate 20% of the manufacturer profits from all sales of this item to the Susan G. Komen Foundation HP 8 1/2" x 11" Multipurpose pink ribbon paper effectively delivers smooth/consistent printing and is compatible with copier/printer/fax machine Featuring ColorLok technology for faster drying, bolder blacks and uniform vivid colors Acid free will not yellow or crumble over time. FSC certified