Universal Copy Paper Convenience Carton, 92 Brightness, 20lb, 8-1/2 x 11, White, 2500/Ctn Convenient reusable carry-and-store box. Exceptional performance in plain paper copiers, fax machines and printers. Ream wrapped to preserve freshness. 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.