Tempered Glass construction for enhanced impact resistance, plus effectively resists scratches up to 9H (harder than a knife) Ultra Thin and Hard: The thickness of 0.33mm is Ultra thin but hard enough up to 9H hardness tempered glass, which provides switch oled screen with strong and full protection against scratches, dust and anti break. Tempered Glass construction for enhanced impact resistance, plus effectively resists scratches up to 9H (harder than a knife) High-response: Only 0.24mm thick; maintains the original touch experience, and won't interfere with slotting the tablet into the home console hub. High transparency: 94% light penetration ratio preserves the original viewing quality Easy Installation: Clean your switch oled tablet screen before applying, with all the cleanning accessories from package. Very easy to install without bubbles and fingerprints. if by chace, there happens bubbles, please relax, the small bubbles will be gone soon.