The Helmet Diamond Glass 4D is a tempered glass screen protector designed specifically for the Xiaomi Mi 9 Lite to shield the front display from daily wear. Its construction focuses on durability, offering resistance against both scratches and sudden impacts that could otherwise damage the screen. This protector provides full coverage of the display while maintaining high visual clarity and original touch sensitivity, so you can interact with your phone naturally. To keep the surface clean, it features an oleophobic coating that repels fingerprints and grease, while the 4D design ensures a bubble-free installation for a seamless fit.