IDP Smart 659385 KO Monochrome Black With Overlay & Cleaning Roller - 600 PrintsThe IDP Smart 659385 is a monochrome black ribbon, with a yield of 600 prints, for use with the IDP Smart 31 & 51 ranges. This printer ribbon is made up of 2 panels, a black (K) panel which you can use to print text, line art and barcodes and an overlay (O) panel which gives your cards a clear protective layer that offers protection against fading and general day to day wear and tear. Key features Monochrome Black Protective Overlay 600 Print Yield