Due to a thin and transparent layer of plastic on the surface of the coated printed matter, the surface of the film is smoother and brighter, which improves the gloss and fastness of the printed matter, and the color of the picture and text is more bright and three-dimensional. At the same time, it also plays the role of waterproof, antifouling, wear resistance, folding resistance, chemical corrosion pasipriešinimas ir taip on. Bet the film is not 100% transparent, which will affect the color. One of the surface decoration processing technologies of printed matter is the auxiliary process of printing. It is widely used in the surface decoration of books, pictures, covers, certificates, advertising instructions and the surface decoration of various paper packaging products. Sukibimas greitumas priklauso on the adhesion between film, print ir klijai.