3M Privacy Filter for 12.1" Widescreen Laptop (16:10) (PF121W1B) Keeps your personal or confidential information safe from prying eyes You'll see the information on your display while people on either side only see a darkened screen Designed to fit widescreen laptops with a diagonally measured 12 1/8" viewing screen and a 16:10 aspect ratio Actual filter dimensions are 10 5/16" wide x 6 7/16" high (261 mm x 164 mm) Includes your choice of two easy-to-use attachment methods Reversible, matte side reduces glare and reflections Lightweight, thin, frameless design Protects display from dirt, debris and scratches Cleans easily with a soft cloth and water Great for high traffic areas such as airports, airplanes, commuter trains, coffee shops and other public places Limited 1-year warranty