Zebra's ZXP Series 3 card printer ribbons produce high-quality IDs and extend the life of your printers and cards. The easy-to-use Series 3 ribbon Load-N-Go ribbon cartridges use intelligent media technology for automatic ribbon detection, optimized imaging, and a low ribbon warning. Part Details: ZXP Series 3 KrO ribbon contain a black resin (Kr) panel and a thin protective overlay (O) panel. 500 prints per roll. This ribbon is compatible with the ZXP Series 3 Printer.