Entrust CMYKP pigment ink ribbons which are used for printing full-color, black panel for text and barcodes. Featuring an Earth-friendly biodegradable core, CMYKP ribbons consist of cyan (C), magenta (M), yellow (Y), black (K) and primer (P) panels. Primer panel is needed to adhere images to all card types. Optimal use detail: single side - full color and black text; dual side - full color and black text both sides.