Features: 1.CLEAR VIEW: 15.6 inch laptop filter looks dark when you look at the screen from a certain angle (the angle is about 30 to 60) but bright when you look at it directly, to change the private angle from 60 to 30 degrees, just adjust the brightness level of the monitor. 2.PREVENTS DAZZING: Computer screen filter protects your eyes by filtering 96% of UV rays and suppressing 65% of blue light. Reversible, giving you the flexibility to choose between glossy or matte surfaces. Choose matte to minimize external dazzing. 3.PERFECT REPLACEMENT: 15.6 inch computer screen filter is compatible with most brands of 15.6 inch laptops, such as for HP, for Levono, etc. perfect replacement. 4.SCRATCH RESISTANT: Screen protector is made of PET material, anti dazzing, scratch resistant, can be used for a long time, easy to install and can be done in about 30 seconds. 5.WIDELY USED: Screen protector is perfect for maintaining screen private in high traffic areas such as open workspaces, airports, airplanes, coffee shops, office environments, financial institutions and other public places. specification:Item Type: 15.6 Inch Laptop Screen Filter Material: PET Size: Approx. 345 x 194mm / 13.6 x 7.6in PackageList:1 x 15.6InchLaptopScreenFilter 1 x Dust Cloth 2 xAdhesive 12 x Double SidedAdhesiveTape NotePlease check the width and height of your computer screen before purchase.