Dimension: The 13 inch laptop privacy filter size is 11.7 "L x 7.7" W. It is compatible with MacBook Air 13 A1466 A1369 2010-2017 Release/MacBook Air 13 A2337 M1 A2179 A1932 2020-2018 Release/MacBook Pro Retina 13 A1425 A1502 2012-2015 Release/ MacBook Pro 13 USB-C A2338 M1 A2251 A2289 A2159 A1989 A1706 A1708 2020-2016 Release. Please kindly check your laptop model number "Axxxx" on the laptop bottom if it is mensioned above before your purchase..The Anti-peeping Screen Protector can help to reduce Eye Strain and other discomfort for long time working figures. It can filter out and restrain 95% UV harm, protect your eyes away from UV damage. It’s a reversible privacy screen filter, reduce glare help to relax your eyes fatigue..Privacy Protection: Our privacy filter is a good solution for protecting businessman, travellers, doctors, government staff, teachers and students who works in public and high traffic areas personal privacy. The viewing Angle is 30~60 degrees,darken your screen from the sides and keeping a clear view from the front..Anti Glare Eye Protection: Screen Protector is Ultra thin only 0.01 inch of 90% transparency, will not affect your computer brightness..Easy to Install: Please clean your monitor tidy, remove protective film away from the Anti-privacy screen protector, then align it to the monitor screen, stick it.