Onker Luxury Aluminum Metal Extreme Shockproof Military Bumper Heavy Duty Gorilla Glass Cover Case Skin Protector for Apple Iphone 4/4s (white/pink/black) Shockproof Dirt/Dust Proof Military Heavy Cover Case High Impact Ballistic Bezels.9mm Patent-Pending Impact Truss. 9mm Patent-Pending Impact Truss.Water + Dust Resistant Membranes Sealed Audio & Charging Ports.Secure Screw Closure Direct Access To All iPhone 4/4s Ports & Features Ringer Silencer Switch