??BEFORE ORDERING: Double check your screen's Width and Height excluding frame before ordering. It's not recommended to make your selection based solely on your screen's diagonal size. ??IMPORTANT INFORMATION: 1. Please carefully check the computer aspect ratio size before ordering so as not to buy the wrong product. 2. It does not block visibility directly behind you, regardless of the distance. 3. Will not fit for curved screen. 4. Please know that when you use this privacy filter, the screen will a little darker than before. 5. Customized product dimensions may have 1-3mm errors, but will not affect normal use. 6. Ensure your working space is bright and well lit. Privacy screens do not work in dimly lit areas. 7. To change the privacy levels - simply adjust your monitor's brightness level accordingly. Package Contents: 1x Privacy Screen Filter 1x Sets of Transparent Double Side Adhesive Strips 1x Sets of slide mount tabs 1x Microfiber Cleaning Cloth 1x Instruction manual