Sprite Science Anti-peep Anti-UV Anti-Glare Anti-scratch Display Screen Privacy Filter Cover Screen Protectors for MacBook Air 13" Protecting your eyesit can prevent 96% UV and 99.9% LF-radiation 5.8% reflection rate ---reducing the surface reflection of light or other external light Preventing static electricity, dont attract dust, keeping the screen clean all the time Protect your privacy-Only sitting in front of your display can you see the images clearly while people beside you see a dark screen Perfect for MacBook Air 13" (294mm*164mm), easy to adhere and remove, but also reusable.