The Waterproof Skin for iPhone 3GS from iOttie is also snow, sand, dust and dirt proof. The snug fitting skin provides full access to all touchscreen features even underwater. You'll be able to take clear images underwater since the skin provides 98% lens clarity. The skin uses 3M's adhesive technology to provide a hermetically sealed phone that meets a waterproof International Protection Rating of IPX8. The unit contains 2 waterproof skins, 4 sealing tapes and 4 leakage indicators. For full protection of your phone, this iOttie waterproof skin should not be used more than 2 times per skin. In addition, the skin should be removed to charge the phone's battery.