High-end "one sheet fits all" paper is perfect for facilities with multiple machines and tasks. High opacity and superior brightness allows two-sided copying and printing. Formulated for excellent performance. Laser guaranteed. Acid-free for archival quality. This product was made from wood that came from a certified managed forest. Size: 8 1/2 x 11; Paper Color(s): White; Paper Weight: 20 lb; Sheets Per Unit: 5000.