Thermal Transfer Ribbon for Zebra Printer, 1 in.Core. Color: Black. A Multi Purpose Wax Ribbon for Label, Tag and Barcode Printing. Resin-enhanced wax thermal transfer ribbon designed for wide print versatility, ANSI grade A bar codes and sharp text and graphics. Enhanced abrasion resistance and outstanding back coat technology make it the right bar code ribbon. Clear Rotated Bar Codes, Sharp Text and Graphics, High Density Printing, Extends Print Head Life. Works with other printers using (CSO) INK SIDE OUT RIBBON. Color: Black. Printers: Zebra and other printers using INK SIDE OUT ribbon.