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!