Viior &reg;Waterproof Shockproof Dirtproof Snow Proof Case Cover for Apple Ipod Touch 4 4g (teal) Easy to install or remove. Ability to take into wet environments, including total submersion under water. Light weight construction with premium high-impact materials for optimal strength to weight ratio. Full Functionality with every feature of the ipod touch is fully accessible and functional, including the volume. Shock Proof: Designed to Military Standards to withstand drops from 4 feet.