Keep Your Screen Confidential and Private Many things in life are better when shared. Your laptop screen is not among them. This Akamai Office Products' laptop privacy filter keeps your confidential and private information just that -- private. This filter mounts to your laptop screen and utilizes privacy technology so only people in front of your computer (or directly behind you) can see your display. Nosy coworkers, competitors, and strangers will only see a black screen. Only Fits 14.0 Inch Screens (Measured Diagonally, Corner to Corner Excluding Frame) This particular size privacy filter fits widescreen laptop computers with 14.0 inch screens (measured diagonally from opposite corners). Actual filter dimensions are 12.20 inches wide x 6.85 inches high (310 x 174 mm). This filter is designed for screens with an aspect ratio of 16:9. If you are unfamiliar with your computer's aspect ratio -- as long as the horizontal and vertical measurements above match your screen's measurements, the screen will fit. What Size is My Screen? Search for your laptop's brand and model number online to find the screen size. or Measure the height and width of your screen. Do not include the frame in your measurement -- only the viewable area itself. This length is the privacy filter size you need. Package Contents 1. 14.0" privacy filter (diagonal length) 2. Clear adhesive tabs to securely hold filter on screen (Installation Option 1) 3. Double-sided tape squares to adhere filter directly on screen (Installation Option 2) 4. Installation instructions Rest Assured with Akamai Products' Lifetime Guarantee If you are ever unsatisfied with the performance of your privacy screen, we'll refund your payment!