?Washable & Reusable?After 10,000 experimental tests, the privacy screen still has a strong magnetic attraction and can be firmly attached to the Microsoft laptop. Meanwhile, it can be washed in water and you will get a brand new privacy screen after wash it. Comes with a protective backer to keep your filter when not in use?. ?Upgraded Privacy?After 200 times experiments and improvements,IPROKKO surface privacy screen protector effectively preventing privacy while maintains 90% transparency. Limits viewing angle to +/- 30 degrees, Microsoft surface screen is the safe guard of your privacy in public places such as offices, airports, schools, hospitals, etc. ?Anti-Glare/Blue Light? Using advanced optical technology to block 95% of blue light and UV rays, effectively protect your eyes from eye damage, visual fatigue, eye pain and headaches.The smoth matte surface cuts glare by 98%, no more worrying about blurred screen due to glare. ? Magnetic Attachment?Updated with strong NdFeB magnets, the surface laptop screen protector is tightly attached to the screen. Installation can be done in 5 seconds. Align the screen, the surface privacy filter automatically attach to the screen smoothly. Easily remove and reattach according to your needs, 100% bubble-free and residual when removing it. ?Compatibility?Only designed for Microsoft Surface laptop 5/ laptop 4/ laptop 3/ laptop 2/ laptop 1-15 inch. The millimeter precision die-cutting machine ensures that each piece of privacy screen 1:1 matches Microsoft surface laptop. Ultra-thin 0.3mm make Microsoft notebook to be closed without gaps. This privacy filter is the ideal surface laptop accessories.