Easy Installation ?-- includes two, easy-to-attach options - Attachment strips and Slide-mount tabs. Package contains Extra installation kits (option 1 and 2). We guarantee all screen filters have 100% quality due to hand checking. Doubles As Screen & Eye Protector ?-- Protects your eyes by filtering out 96% UV and curbing blue light by 65%. It’s a reversible privacy screen filter, giving you the flexibility to choose glossy or matte finish – Choose the matte to reduce external glare. Privacy Filter Dimensions ?-- If the active area of your display has the following dimensions: Width: 12 3/16" (12.2 inches/310 mm), Height: 6 7/8" (6.9 inches/174 mm) - Aspect Ratio 16:9, then this filter is good for you. Contact us if you have any questions about dimensions. Dark Screen For Others ?-- Clear view for you. The computer privacy filter makes the screen appear dark when looking at it from an angle (the angle is about 30°- 60°), but bright when looking directly at it. To change the privacy angle from 60° to 30° degrees - simply adjust your laptop’s brightness level. Enhanced Privacy ?-- Vintez Laptop privacy screen filter is perfect for public and high traffic areas. It uses revolutionary micro-louver technology. The filter is Anti-Glare and Scratch Resistant! Please confirm the width and height measurements for your laptop screen before ordering. We advise against making a selection based solely on a laptop screen’s diagonal size.