?WORRY FREE  180-DYAS– you can get screen protector*1 If you have any questions, please contact us, our seller support team will help you in time. ?ANTI GLARE, ANTI FINGERPRINT COATING-unlike other glass or film cover, our anti blue light screen protector coming with anti glare matte layer and OLEOPHOBIC COATING, effectively reduce the visual interference caused by strong light from the screen while in a high light conditions and block fingerprint on the screen. ?RELIEVE EYE FATIGUE AND HELP YOUR SLEEVE BETTER- genius 6-layer design, our privacy screen protector 100% Block Hazardous UV light and effectively block the most hazardous HEV blue light of 380-495nm and Electromagnetic radiation, help you block electronic hazard. ?FILTER DIMENSIONS- WIDTH: 11 9/16" (294 mm), HEIGHT: 6 1/2" (166 mm), Compatible with 13.3" Dell, HP, Lenvo, Acer, Samsung and other laptop brands with 16:9 widescreen. ?BLOCK THE SIDE VIEW FROM >30° AROUND YOU, Ideal solution for working in public areas(airplanes, subways, airports, coffee shop, Library, office, etc.) side views outside the 60-degree.