Feature:1. Intimate reduction of screen reflections, the surface of the protective film is treated with a fine matte process to reduce the radiation generated on the screen surface without affecting the original image quality2. Intelligent automatic blue light filtering, the protective film effectively filters the high-energy short-wave blue light scattered from the led screen from 380nm-420nm, so that the eyes are not harmed and effectively control the progression of myopia3. The protective film adopts a three-layer laminated structure, which has the characteristics of scratch and wear resistance4. Can effectively filter the blue light penetration of the screen and reduce color distortion, protect the screen and protect health and safety5. Suitable for OS X notebook 13.3 inch, compatible with computer displays with a screen size of 13.3 inches Specification:Item Type: Anti Blue FilmMaterial: PETProcess: CoatingSize: Approx. 287.5 x 180mm / 11.3 x 7.1inSuitable for OS X Notebook 13.3 inchCompatible with a computer display with a screen size of 13.3 inchesPackage List:1 x Anti Blue Film1 x Dust-Free Cloth