Sold as 1 Each. Keeps on-screen information private. Darkens screen when viewed from the side. Provides consistent quality and crisp images. Matte finish reduces glare. Dimensions: 9 7/16"(H) x 17"(W). Aspect ratio: 16:9. Warranty: 1 year. Keep confidential information private. Only persons directly in front of the monitor can see the image on screen; others on either side of them see a darkened screen. Includes 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 and open office environments.