Apple Watch Screen Protector, Hapurs NEW Explosion Proof Tempered Glass Ultra-thin Clear Drop-proof Screen Protector for 38mm Apple Watch Specifically designed for Apple Watch 38mm) High Hardness: Glass material after high tempered steel processing,surface hardness up to 8-9h,impact resistance is strong,not easy scratches. Ultra-high light transmittance: (transmittance of 98% or more) optical transmittance grade,ultra-low reflection, high Transparency. High sensitivity: The glass is coated on the back with a strong silicon adhesive that makes installation easy and attaches the film firmly so as not to affect the touch screen's sensitivity. Automatic bonding: High quality antistatic adsorption film ,make the product bonding and separation simple,easy to operate. it will automatically bond the screen.