OfficeSmartLabels ZE1312300 [ 3.5" x 3" ] Direct Thermal Labels Postage Barcode Shipping Desktop Printer UPC FBA Sticker Zebra Compatible Labels [ 4 Rolls / 1" Core ] 1" Core / 500 Labels Per Roll Perforations Between Each Label, Top Coated with Moisture and Oil Barrier Genuine Products come with of OfficeSmartLabels logo on the back of the liner. Our High Quality Labels are compatible with most Thermal Transfer Printers including Zebra, Eltron, Fargo, Sato, Datamax and Intermec SOJITEK 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 SOJITEK. Neither Zebra / Eltron nor any of the other printer companies mentioned above sponsor or endorse any products made or sold by SOJITEK