●[ Specifications ] 4" x 6"(101.6mm x 152.4mm).HIYOHIYO 200 thermal labels per roll. It is only suitable for thermal printers and NOT for laser or inkjet printers. ●[ Strong Compatibility ] The thermal labels are perfectly compatible with Rollo, Zebra, iDRPT, Polono, Jiose, K Comer, LabelRange, OFFNOVA, and other direct thermal printers without the hassle of sheets waste, or jams. ●[ Waterproof and Oil-proof ] The upgraded thermal coating is water and oil resistant. Smudge-Free and Resists Scratches, Water, Dirt, Dust, and Grease. ●[ Fade Resistant & Reliable ] The thermal labels use upgrade material ensure high-resolution and make the print effect clearer that prints crystal clear images and easy-to-read barcodes. ●[ BPA/BPS FREE ] BPA (Bisphenol A) is an industrial chemical. It may cause endocrine disorders and have certain effects on peoples health. HIYOHIYO 4x6 thermal labels has passed RoHs certification. It’s tested that the paper doesn’t contain any carcinogens like BPA, BPS.