FEATURE: -Double-Sided Use -Anti-Glare / Anti-Reflection -UV and Blue Light Reduction -6H Hardness Protects Screen from Scratches -Anti-fingerprint DEVICE COMPATIBILITY : 15.6 Inch widescreen 16:9 aspect ratio laptop screen (measure your screen diagonally) Filter Size : Diagonal Length: 15.6 inch (39.6cm) Width: 13.6 inches (34.5cm) Height: 7.6 inches (19.4cm) Aspect Ratio: 16:9 TIPS:Choosing the right filter size 1.Determine your screen type - Raised Bezel: Screen with a raised frame - Flat Front Glass: Screen with edge-to-edge glass without a raised frame 2. Measure Your Screen - Raised Bezel: Measure the height and width of the screen's viewable area within the bezel (excluding the raised frame) - Flat Front Glass: Measure the height and width of the entire glass display area from edge-to-edge -Select a matching filter size

EASY INSTALLATION: two easy installing options--attachment strips and Slide-mount tabs. Package contains Extra installation kits (option 1 and 2). ANTI-BLUE LIGHT AND ANTI-GLARE: our laptop privacy screen filter can help protect your eyes from harmful blue light, UV light and glare, Block 97% UV light and 70% the most harmful blue light, reduce eye fatigue caused by longtime use of the computer. DOUBLE-SIDED USE: the privacy screen filter is reversible, matte or glossy, use the matte side to get a better "anti-glare", and the glossy side for a more clear view. Both side with anti-fingerprint coating, easy to clean. PROTECTOR PERSONAL PRUVACY: Perfect for in public setting, office, classroom, subway station, hospital, financial institutions, business conference, etc. Block the surrounding visibility outside the 60-degree viewing angle of you, Helps protect your Profile and privacy. DEVICE COMPATIBILITY:15.6 Inch widescreen 16:9 aspect ratio laptop, our 15.6 screen protector size- Width 345mm x Height 194mm) (measure your screen diagonally).