This is a Genuine Zebra Card YMCKOK Dual sided printer ribbon. It has six panels, Yellow, Magenta, Cyan, Black, Clear Overlay, and Black. It is designed to give you high quality prints. This Genuine Zebra Technologies YMCKOK ribbon is designed for use in Eltron & Zebra P420, P430, P520, P600, P720C dual sided Badge Printers. Prints up to 170 cards. As a dual-sided printer ribbon, it provides full color front and crisp black text on the back.