The patented Kensington MagProâ„¢ magnetic privacy screen filter for 12.5" (16:9 )laptops offers best-in-class privacy protection. It can be attached and removed quickly and easily, while allowing your laptop to close and enter sleep mode without removing. An ideal solution for slim bezel or edge-to-edge displays. The patented design includes a slim magnetic strip, allowing for quick and easy attachment and removal of privacy screen filter while allowing your laptop to close and enter sleep mode without removing. Allows for unobstructed viewing, making it an excellent solution for slim bezel or edge-to-edge displays.Limited viewing angle narrows the field of vision to +/- 30 degrees, helping keep the information on your screen private and reducing the chances of a visual data breach in the office or in public.Blue light reduction filters out harmful rays by up to 22%, easing eye strain and reducing the chances of interrupting sleep patterns. Low reflective coating reduces glare for improved clarity.With reversible viewing options, one side has a matte finish to maximise glare reduction and reduce traces of fingerprints. The other side is glossy and provides a clearer view of the monitor.