Anti-glare filter for your 12.5" wide-screen laptop helps protect your screen & improve your view in indoor bright or challenging lighting conditions. Enjoy a clear screen in brightly lit indoor areas, even near windows. Amazing optical technology from 3M diffuses mirrorlike reflections to help keep what's on your screen clear & visible while providing a layer of protection from dust & scratches. Matte surface cleans easily & hides fingerprints. Scratch-resistant filter attaches with optically clear adhesive strips or easily removable, slide-mount tabs. Lightweight, thin, frameless design features touch-compatibility & a 16:9 aspect. View area dimensions are 10-15/16" x 6-1/8" (277mm x 156mm).