Good films maintain its color. In case of cheap dyed film, film's color starts to change within 2~3 years and its performances also start to fall due to its structural characteristics. Rainbow window films maintain its performances for a long time owing to its long lasting classy colors and great durability.

Good films block the heat transmission while letting measurable visible light pass through. By blocking IR and UV rays, film prevents heat from entering inside. IR and UV rays, the most part of solar heat, are the main causes of indoor temperature rise. Rainbow window film blocks at least 70~90% of IR, very high degree of rejection, while providing great effects with its TSER specs.

Good films provide clear view. The cheap and thick films as well as films made with lower technology can't provide clear view due to its technical limits and characteristics of material. Rainbow window film which uses super transparent PET and provides clear view with nanotechnology.

Good films don't go through discoloration as time passes. 10 years put into technical development has resulted in film without discoloration while upgrading film's durability outstandingly. The great durability and high quality of product are guaranteed by its 10 years warranty.

Good films minimize haze and moire effects and thereby reduce driver's fatigue. Metallic and sputtered films cause haze and moire effects. Other companies' products with same features have average haze of 1.8~2.3. Rainbow window film, a premium tinting film, is designed to provide a clear view to drivers while minimizing their fatigue by minimizing haze down to 0.8.

Good films with easy installation let consumers use nonfaulty products. If the film is difficult to install, various problems including scratches or bad finishings can occur. Rainbow window film improves product's quality and offers easy installation by using material easy to install.