The supreme quality of HP Multipurpose Paper makes it an excellent choice for everyday use. It is made from wood that came from a certified managed forest and has a 96 white brightness, making it ideal for high contrast images. This versatile acid-free paper for archival grade use is engineered for copiers, printers and fax machines. It features special ColorLok technology designed to resist smears and captures bolder blacks and more vivid colors. The 20 lb box contains three reams for a total of 1,500 sheets measuring 8.5" x 11" sheets.