The Helmet Diamond Glass 4D is a tempered glass screen protector designed specifically for the Samsung Galaxy A9 (2018). Its 4D curved edges ensure the glass follows the contours of the display for full screen coverage and a seamless fit. This protector keeps your front screen safe from daily wear by resisting scratches, dust, and shocks. To keep the display clear and easy to navigate, it features a specialized coating that repels fingerprints and oil, making it a practical choice for anyone wanting to maintain their phone's original look without constant cleaning.