Premium Tempered Glass Screen Protector Skin Cover for Samsung Galaxy S3 i9300 Around and key hole position using advanced cambered surface process, and has the feel is good anti crushing easy point control etc, visual effect is excellent. Glass material after high temperature steel processing, surface hardness up to eight - 9 H, impact resistance is strong, not easy and scratches. 0.33 mm thickness of curved toughened glass, cutting fine, can perfect, after loading stick, to more agile, cambered surface impact effect causes the handset screen more solid. Drain oil coating product oil pollution prevention, acid and alkali resistant, resistant to fingerprint, eternal clear and clean. High quality antistatic adsorption film use, make the product joint and split simple, convenient operation.