Doemoil tempered glass screen protector for Galaxy Tab A9 8.7 inch 2023 is made with high-quality tempered glass, which has a hardness of 9H and is 3 times stronger than regular glass. It has a 99% transparency rate, allowing for an optimal viewing experience. The tempered glass is also resistant to scratches, fingerprints, and oil, making it ideal for use in a variety of environments. The screen protector is easy to install and has a bubble-free installation process, which ensures that it will stay in place without any bubbles or wrinkles. It is also case friendly, so you can use it with your favorite case without any issues.