[ Specifications ]: 3 in x 1.5 in (76 mm x 38 mm) (900Labels/Roll, 12 Rolls)，Paper tube diameter：1"(25.4mm). No Ink Toner or Ribbons Needed! Save your money and effort. [ Good Compability ]: Suitable for zebra，brother，Epson，Toast and most of the thermal label printers that the print width can be adjusted to 3 inches. [performance ]: Removable, three defenses [ Adhesive ]: Still reliable on extreme temperature (-10℉~60℉). The Adhesive provides long-lasting powerful stickness. No more shipping lost caused by labels peel-off. Enjoy the extra margin of your business. [ Fade & Smear Resistant ]: Prints crystal clear image and easy-to-read barcodes. Avoid fade and smear. Let your carriers easily scan barcode until delivery. We all hate 'return to sender' because of unreadable barcode. [ Technical Support ]: We stand behind our brand. XLS offers lifetime free customer support via Amazon message email and phone call. Contact us immediately if you need any assistance.