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. Item Type: 15.6 Inch Laptop Screen Filter Material: PET Size: Approx. 345 x 194mm / 13.6 x 7.6in 1 x 15.6 Inch Laptop Screen Filter 1 x Dust Cloth 2 x Adhesive 12 x Double Sided Adhesive Tape