Hammermill Great White Recycled Copy Paper - 92 Brightness11" x 17" - 20 lb Basis Weight - 1 / Ream - FSC - Acid-free, Moisture Resistant, Archival-safe, Jam-free 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.