Hammermill Great White Recycled Copy Paper - White - 92 Brightness - 11" x 17" - 20 lb Basis Weight - Acid-free, Moisture , Archival-safe, Jam-free - White - 500 / Ream Great White 30 is a versatile, recycled office paper that works as hard as you do. The precise, accurate sheeting, consistent moisture content and curl control ensure smooth, trouble-free performance. 20 lb. paper is extremely smooth to virtually eliminate paper jams. Acid-free material prevents yellowing over time to ensure a long-lasting appearance. High brightness level offers distinctive contrast and easy readability. Paper is designed to run efficiently through all office equipment.