Magicmoon Privacy Filter Screen Protector, Anti-Spy&Glare Film for 13.3 inch Widescreen Notebook Laptop (13.3'', 16:9 Aspect Ratio) Compatible Model(s): Magicmoon Brand Filter only for 13.3" Inch Widescreen Laptops which have a 16:9 aspect ratio. Filter size(WxH) = 11.56"x6.49" =11 9/16" x 6 1/2" (294mmx165mm). Not designed for touchscreens. KEEP INFORMATION PRIVACY: Effective "black out" privacy from side views outside the 60-degree viewing angle. Designed for optical clarity when viewing from the front, a person not at the front of the screen can only see the dark side of the screen, so it protects buisness secrets and personal privacy. Great for maintaining screen privacy in high traffic areas such as open work spaces, airports, airplanes, commuter trains, coffee shops and other public places, etc. EYE & SCREEN PROTECTION: Privacy Filter does not only protect your private life but also protects your eyes by blocking 30% of blue light , blocking the harmful blue light between 380 - 495nm, it filters out the blue light and relieves eye strain . Our laptop privacy screen also helps keep your screen safe from dust and scratches. EASY INSTALLATION: Choose between 2 simple Options; Slide-On/Off or Mounted. If you meet any questions, please feel free to contact us.