Magnetic Privacy Screen Filter: Designed Exclusively for Surface Laptop 3 13.5", it narrows the field of vision to +/- 30 degrees to keep the information on your laptop private Anti Blue Light: Filters out harmful blue light rays by up to 22%, easing eye strain and reducing the chance of interrupting sleep patterns Anti-Glare Reversible Screen: One side has a matte, anti-glare finish to reduce fingerprints, the other side is glossy for a clearer view of the monitor Touch and Surface Pen Enabled Screen Protector: Allows you to use your Surface device just as you would without a privacy screen Kensington MagPro Elite Magnetic Privacy Screen Filter Includes: 1 x Magnetic Privacy Screen Filter For Surface 3 size 13.5", 1 x cleaning cloth and 1 x protective case