The full face tempered glass is a hardened glass of full coverage, specially designed to protect your mobile phone screen from scratches and other damages. In case of a mobile phone drop, it does not guarantee that the screen will not break along with it, however, it provides an additional layer of protection. It does not affect the functionality of the screen. The black border covers the entire surface of the screen, including the edges. It is compatible with Redmi Note 11 Pro / 11 Pro+.