The tempered Glass is 0.33mm thick and made with high quality chemically treated transparent tempered glass. This Glass Screen Protector Protects the Back Panel of your iPhone X/iPhone Xs. Made from the best-quality film and specifically designed to fit the Back of your iPhone X/iPhone Xs. Anti-Glare/Anti-Fingerprint style protectors are engineered to resist the oils that create fingerprints/smudges, as well as reduce glare from indoor and outdoor lighting. Easy to install and still enabling you to protect your screen from daily scratches, Dust and scrapes. With a self-adhering surface, the film is designed for easy application and zero-to-minimal bubbles during application. Works on Back of Apple iPhone X/iPhone Xs to protect your it.