3" x 1" - Bright Pure White - Direct Thermal Labels (1375 Labels/Roll with 1" Core & 4" Diameter) PERFORATED LABELS - Multipurpose labels with rounded edges and perforations between each label. Exceptional quality that can easily be separated and written/printed on. PREMIUM STRENGTH ADHESIVE - Strong Adhesive that keeps the label down and sticks to most surfaces. Permanent hold that keeps the corners and edges stuck down. Smudge proof! DIRECT THERMAL SMUDGE PROOF LABEL - (Ribbons, Toner & Ink are NOT needed!) Compatible with most Thermal Transfer Printers including Zebra, Rollo, Fargo, Eltron, Sato, Intermec, Datamax, and more. See list below. JAM & BPA FREE - Excellent print quality. Perfect for UPC Barcodes, FBA labels, packaging, Addresses, envelopes, storage containers, school binders, shelving, and many more! Nextphase Packaging Direct Thermal LabelsFeatures:Multipurpose labels with exceptional quality that can easily be written on3x1 Roll has 1375 labels (1" Core & 4" Diameter)3x2 Roll has 750 labels (1" Core & 4" Diameter)Perforated for easy separationRounded corners and smudge proofStrong Adhesive that helps corners stay downBright white with excellent print qualityJam and BPA FreeRolls are wrapped in UV resistant packaging to protect labels from light and heat damageCompatible with most Thermal Transfer Printers including Zebra, Rollo, Fargo, Eltron, Sato, Intermec, Datamax, and more.Perfect for UPC Barcodes, FBA labels, packaging, Addresses, envelopes, storage containers, school binders, shelving, and many more!Compatible Printers: GK420T, GX420T, GX430T, GK420D, GC420D, GC420T, GX420D, LP 2824, LP 2844, LP2442, TLP2844, ZP450, LP2442, LP2443, LP2642, LP2742, LP3642, LP3742, TLP3842, TLP3844Z, R402, T402, G Series and more!