✅ 5 ROLLS OF 1250 LABELS: Each label measures 100mm x 150mm (4” x 6”), the perfect size for shipping and labeling needs. Each roll contains 250 labels, with a total of 1,250 labels across 5 rolls, making it ideal for high-volume tasks in offices, warehouses, and retail. Roll Outer Diameter: 80mm (3.15”). Roller Inner Core Diameter: 25.4mm (1”) ✅ DIRECT THERMAL PRINTER COMPATIBILITY: Designed for seamless use in a variety of leading Direct Thermal label printers, including Double Dragon, Zebra, MUNBYN, Rollo, TSC, Toshiba, Citizen, Eltron, Orion, Arkscan, MFLABEL, Immuson, BESTEASY, Sato, Intermec, Datamax, Printronix and other Direct Thermal printers that the print width can be adjusted to 2.1" or more. DOES NOT work on Laser or Inkjet printers which require ribbon or ink cartridges. DOES NOT work on Dymo printers. ✅ PREMIUM QUALITY AND BPA-FREE: Premium Quality. Made with eco-conscious, BPA-free material for safe handling. Delivering crisp, smudge-free prints for professional results. Each Roll is individually Shrink Sealed, for Longer Preservation and Storage. ✅ WATERPROOF, OIL-PROOF, AND SCRATCH-RESISTANT: Premium coated. Built to withstand water, oil and scratch. These labels are perfect for shipping and logistics printing, ensuring durability in challenging environments. ✅ STRONG PREMIUM ADHESIVE: Designed to stick securely to corrugated cardboard, envelopes, shipping bags, bubble mailers, and poly mailers, ensuring your labels stay in place during transit. ✅ EASY TEAR-OFF PERFORATED LINE: Each label has a perforated line for hassle-free tearing, making them easy to separate and handle, saving time in busy operations.