Why Should You Buy G-Color 3D Tempered Glass Screen Protector for Your Samsung Galaxy S9+?<br> Made with transparent glass that has undergone specialized tempered-glass treatment, our premium glass screen protector is made to protect your phone's screen from scratches and other external damages.<br> Silicone Bubble-free Adhesive, applied without any bubbles <br> Installation: Before installation, please read our installation instruction carefully. It is the key to your success. If you have any question with it, please feel free to contact with our customer support.