SD Trading 2iwatxcg18 Slim Premium Real Tempered Glass Film Screen Protector for Apple Watch - 38mm - 2 Piece Screen protector size: perfect fit for apple watch 38mm/42mm Toughened ultra-thin glass(0.26Mm), high transparency, high touch sensitivity Coating of oleophobicity: anti-fingerprint, anti-oil, anti-acid and anti-alkali and other contaminants Up to 9h hardness, strong impact resistance, explosion-proof, shatter-resistant, even if broken, it will not splash about, much safer than other glass products Important notice: our products can greatly protect your display screen from damages