The MagPro Magnetic Privacy Screen Filter for 39.6 cm (15.6") (16:10) notebooks offers best-in-class privacy protection. It allows for quick and easy attachment and removal, while allowing your notebook to close and enter sleep mode without removing. An excellent solution for slim bezel or edge-to-edge displays. It narrows the field of vision to +/- 30 degrees, helping you keep the information on your screen private and reducing the chances of a visual data breach in the office or in a public setting. Filters out harmful blue light rays by up to 22% for improved clarity. Reversible with matte and glossy viewing options. Includes cleaning cloth and protective case. K55255WW