Munbyn Generic Shipping Series Labels (GR): 4" x 6" (101.6mm x 152.4mm) 500 Labels/ Stack (12 Stacks). Packed in a kraft carton to prevent damage. Tips: It is only suitable for thermal printers, not for laser or inkjet printers No Bpa and Bps: Bpa (Bisphenol A) is an industrial chemical. It can cause endocrine disorders and have certain effects on people's health. Our paper has been tested to contain no carcinogens such as bpa and bps Waterproof and Oil-proof: Resists scratches, water, dirt, dust, and grease. Blank 4x6 mailing label with the perforated line for easy peeling Reliable upgrade Materials: The thermal labels are upgraded material that prints crystal-clear images and easy-to-read barcodes. brighter than the leading brand and significant resistance to smudges and scratches Strong Compatibility: The printer labels are perfectly compatible with Munbyn RW402B, 130B, 941BP, 129B, 941U, 941AP, RW401AP, RW403B, Jadens, Rollo, Idprt, Beeprt, Asprink, Nelko, Phomemo, Polono, Labelrange, Offnova, Joise, Beeprt, Prt, Jiose, Itari, K Comer, Neflaca and other direct thermal printers without the hassle of sheet waste, or jams Ultra-Strong Adhesive: Peel-and-stick extra-large labels with strong self-adhesive backing. They use a premium-grade and powerful adhesive that allows each label to stick tightly to any packaging surface for a long time Munbyn 4"x6" thermal direct labels, print is clear, not easy to fade. munbyn labels Application Supported: Parcel delivery labels, logistics distribution labels, cross transfer label, retail shelf label, warehouse management label, Address label; Weighing labels for groceries, cooked food, bread, hot food labels, self-weighing labels, retail labels; Product tags, production tags, industrial tags, rfid tags, etc.