Due to their high stretch wrap film tensile strength, wear resistance, corrosion resistance, resistance to rain, colour and lustre is beautiful, convenient use, the other with excellent tackifier, after heating, squeezing, stretch film, cooling, and then through the chill roll has a strong toughness, high elasticity, laceration resistant, high viscosity, thin thickness, cold resistant, heat resistant, high voltage, dustproof, waterproof, a single stick and advantages of double-sided adhesive, when use can save material, save labor, save time of these features.