High quality, bright white, printer labels. Face sheet is made using 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 non-yellowing and safe for archiving. Compatible with both desktop laser and inkjet printers. Shape: Rectangular; Label Size - text: 1 x 4; Label Color(s): White; Color Family: White.