Convenient reusable carry-and-store box. Exceptional performance in plain paper copiers, fax machines and printers. Versatile white paper that's reliable for everyday copying, high-speed volume applications, in-house reports, duplicating documents, and internal correspondence. Ream wrapped to preserve freshness. Acid-free for archival quality. Compatible with all office equipment, including copiers, laser printers, and fax machines. Sheet/Roll Size: 8.5 x 11; Paper Basis Weight (lb): 20 lb Bond; Paper/Media Color(s): White; Color Family: White.