High quality, bright white, copier labels are environmentally- friendly. Face sheet is made using 100% recycled post-consumer fiber and is processed chlorine-free (PCF). The adhesive meets the USPS specification USPS-2-1238 in order for it to be safely recycled. Labels are both acid-free and lignin-free making them safe for archiving and will not yellow. Allow edge-to-edge printing. Designed for use in office copiers.