The 9D series is an improved tempered glass with increased flexibility, which protects against scratches and damage to the smartphone screen. The product has glue applied over the entire surface. Glass has a high light transmission, so it does not distort the appearance of the screen. It does not change the reaction to touch.#13#10#13#10The oleophobic coating reduces dirt on the screen, which improves the aesthetics and comfort of using the phone. The 9D series has frames that match the smartphone screen.