321 STRONG Mat for Ab Muscle Workout Case Friendly Guarantee for Galaxy Note 8 Tempered Glass Screen Protector. Ultimate Scratch Protection: Premium tempered glass effectively resists scratches thanks to its 9H hardness rating. Ultra Clear And High-response: Ultra thin- resilient, made with high quality 0.3mm thick premium tempered glass and promises full compatibility with touchscreen sensitivity. Special design: The screen protector is smaller than the phone screen, specially designed for users who need to use mobile phone case.The design allows screen protector to be unopened and not warped. Easy to Install: One-push super easily installation, attach to the screen smoothly, hassle-free, fingerprint-free and bubble-free.