Evolis RCT012NAA Blue Monochrome Ribbons are monochrome (1-color) ribbons. Evolis RCT012NAA Blue monochrome ribbons are primarily used for printing text and one-color line art on one or both sides of a card. The Evolis RCT012NAA Blue Monochrome Ribbon is specially designed to guarantee optimum operation of your Evolis printer without risk of damage. Evolis RCT012NAA Blue Monochrome Ribbon at Evergreen ID Systems, is good for producing up to 1,000 blue mono prints per roll.