Processed Chlorine Free (PCF) is made using a 100% chlorine free manufacturing process, helping to preserve the environment and aquatic life from the hazards of chlorine waste. Both paper and packaging are made using post-consumer materials. The 20 lb basis weight and the 92 brightness are ideal for everyday use in copiers and printers. Acid-free for archival quality. Sheet/Roll Size: 11 x 17; Paper Basis Weight (lb): 20 lb Bond; Paper/Media Color(s): White; Color Family: White.