Direct Thermal Shipping Labels, 4x6 inch (102 x 152 mm) Waterproof and Smudge Resistant, 500 labels per roll

COMMERCIAL GRADE QUALITY: Engineered for high-volume shipping with strong adhesive, crisp printing, and durable thermal paper built to last. UNIVERSAL PRINTER COMPATIBILITY: Works seamlessly with Zebra, Rollo, Arkscan, Munbyn, and all major direct thermal printers for hassle-free use. WATERPROOF, OIL PROOF & SMUDGE RESISTANT: Withstands warehouse handling, courier sorting, and outdoor exposure, keeping barcodes scannable throughout delivery. JAM FREE, PERFORATED & EASY TO PEEL: Each label is perforated for fast application, with smooth feeding that prevents printer jams common in cheaper alternatives. PERFECT FOR FBA, DHL, FEDEX & UPS: Meets FBA label size requirements at 102 x 152 mm, ideal for e-commerce, warehousing, and inventory management. PAPER TUBE DIAMTER：1"(25.4mm). No Ink Toner or Ribbons Needed