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. Made from the best-quality film and specifically designed to fit the Back of your iPhone X. 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 to protect your it.