OfficeSmart Labels ZE1400612-4 x 6.5 Inch Zebra Compatible Direct Thermal Labels (1 Roll, White, 250 Labels Per Roll, 1 inch Core) 1" Core / 250 Labels Per Roll Direct Thermal / Rounded Corners Perforations Between Each Label, Top Coated with Moisture and Oil Barrier Compatible with most Direct Thermail Printers including "Zebra", "Eltron", "Datamax", "Intermac", "SATO"and "Fargo" OfficeSmartLabels does not sell Zebra/Eltron branded labels. "Zebra", "Eltron", "Datamax", "Intermac", "SATO"and "Fargo" and other related branded product names and SKU trademarks are trademarks of their respective owners and not OfficeSmartLabels. Neither Zebra/Eltron nor any of the other printer companies mentioned above sponsor or endorse any products made or sold by OfficeSmartLabels.