Enjoy HP's world-famous reliability at a great value. The ideal all-around-the-office paper. It's suitable for copies, drafts, memos and other everyday business documents. Engineered to run jam-free. ColorLok technlogy for smear resistance, bolder blacks and brighter colors. Works well in copiers, fax machines, inkjet printers and laser printers. Acid-free for archival quality. Paper Color(s): White; Paper Weight: 20 lbs.; Sheets Per Unit: 500; Rolls Per Unit: N/A.