With 3M privacy filters, confidential information remains private. Only the person directly in front of the monitor can see the display on the screen; people sitting to the side only see a dark screen. Suitable for widescreen laptops with a 12.5" diagonal screen and a 16:9 aspect ratio. You can choose from two simple attachment options. It can be reversed, with the matte side reducing glare and reflections. Lightweight, thin, frameless design. Protects the display from dirt, dust, and scratches. Easy to clean with a soft cloth and water. Excellent for busy areas such as airports, airplanes, trains, cafés, and other public places.