EK Newest Extreme Shockproof Waterproof Full Body Skin Military Heavy Duty Protection Cover Case Pouch Dust/Dirt/Shock/Snow/Dirt Proof Shock resistantfor Apple iPhone 4 4S 4G (Black) Water test case prior to installing phone. Water Proof: Fully submergible to 6.6 feet / 2 m for 30 minutes Dirt Proof: Sealed from dirt &amp; dust particles - meets or exceeds IP-69 Ingress Protection Rating Shock Proof: Withstands drops from 6.6 feet / 2 m - meets or exceeds Snow Proof: Sealed from snow &amp; ice - meets or exceeds IP-69 Ingress Protection Rating