Sparco Laser Copy & Multipurpose Paper - Gray - Recycled - 30% Recycled Content - Letter - 8 1/2" x 11" - 20 lb Basis Weight - 500 / Ream - Lint-free, Acid-free, Archival-safe Premium Copy Paper works well in high-speed copiers and laser printers. Each 20 lb. sheet is precision-cut and lint-free. Paper is acid-free with archival quality so it will last longer.