Recycled Laser and InkJet LabelsHelp the environment while using a high-quality printer label. The adhesive meets USPS-P-1238 specifications in order for it to be safely recycled. Processed chlorine-free. Acid-free and lignin-free so they are safe for archiving and will not yellow. Label Size - text: 1/2 x 1 3/4; Label Color(s): White.