Features: Toughened ultra-thin glass(0.3mm) with 2.5 D cambered surface, 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. 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. Equipped with a holder card which can also used as bobbin winder. (Earphone is not included) Fit for Sony Z1.