Eltron's line of high quality printing ribbons is specially formulated with optimized chemical composition of dyes and varnish that create brilliantly clear and vivid images. The ribbons offer enhanced print character durability and the images show exceptional clarity with a proven longer image life. Eltron's ribbons are designed with a unique "back-coating, " which allows the ribbon to pass smoothly over the printhead and helps to extend printhead life.