Magnetic privacy filter for 33.8 cm (13.3") MacBook Pro (2016-2022) and 33.8 cm (13.3") MacBook Air 13 (2018/2020) Protects data on your screen from prying eyes Stops people from viewing your screen from the side Magnetic filter is easy to attach, remove and reattach. No tools, no adhesives, no installation required Integrated blue light filter reduces blue light for better protection and reading comfort Fingerprint proof