For 12.5" Widescreen Notebook, Monitor - 16:9 - Debris Resistant, Dirt Resistant, Scratch Resistant - Anti-glare - 1 PackPrivacy filter keeps confidential information private. Only persons directly in front of the monitor can see the image on screen while others on either side of them see a darkened screen. It is great for high-traffic areas such as airports, airplanes, commuter trains, coffee shops and other public places. Filter is designed to fit wide-screen laptops. Filter includes your choice of two easy attachment methods. Reversible, matte side reduces glare and reflections. Lightweight, thin, frameless design protects display from dirt, debris and scratches. Clean easily with a soft cloth and water.