Goliton Ultra-Thin Water Proof Skin for iPhone 4S & 4 - 100% Water Protection Case 100% waterproof, dirtproof, dustproof and oilproof Protects your smartphone and tablet PC from water, dust, sand, snow and humidity Retains full touchscreen and call functionality while encased in the waterproof skin waterproof skin is not intended for permanent water-resistance. For full protection of your phone, this waterproof skin should not be used more than 2 times per skin.