• [ Specifications ]: 4 in x 3 in (102 mm x 76 mm) (500 Labels/Roll, 6 Rolls)，Paper tube diameter：1"(25.4mm). No Ink Toner or Ribbons Needed! Save your money and effort.
• [ Good Compability ]: Suitable for Zebra, Rollo, Eltron, Intermec, Datamax, Fargo, Sato, NEX and most of the thermal label printers that the print width can be adjusted to 4 inches.
• [Warm Tips]: DO NOT SUPPORT DYMO & Brother Label Printer.
• [ Perforated ]: We go above and beyond the standard labels sold online. Our labels are perforated to allow easier separation between labels. Fold the printed labels together with the perforation to keep them organized. No more label messy!
• [ Adhesive ]: Still reliable on extreme temperature (14℉~158℉). The patented 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. BETCKEY offers lifetime free customer support via Amazon message email phone call and remote desktop operation. Contact us immediately if you need any assistance.