TOOGOO(R)0.2mm 9H Premium Tempered Glass Screen Protector for Apple Watch 42mm Toughened ultra-thin glass(0.2mm), high transparency, high touch sensitivity. Coating of oleophobicity: anti-fingerprint, anti-oil, anti-acid and anti-alkali and other contaminants. Back side is covered with a strong silicon adhesive for easy installation and perfect fitting. Automatic bonding, High quality antistatic adsorption film, make the product bond and separate simply, easy to operate, it will automatically bond the screen. Up to 8-9H hardness, strong impact resistance. Explosion-proof, shatter-resistant, even if broken, it will not splash about, much safer than other glass products.