Enjoy HP's world-famous reliability at a great value. Helps reduce dust build-up that can cause paper jams and wear and tear on copiers, printers and fax machines. Use it and you could spend less time clearing paper jams and less money on service calls. Acid-free, so documents last a long time. Sheet Size: 8 1/2 X 11; Paper Color(s): White; Paper Weight: 20 lb; GE Brightness Rating (US): 92.