The Aquapac Aqua-550 Waterproof Connected Electronics Case is a dust proof, sand proof case made to allow use of an electronics item with a wire leading outside the case such as a radio. The case is use on the surface and should not be submerged. It is made from an ultra clear vinyl material that allows the infra-red to pass through. The case features the TC Aquaclip a wire thru seal which is watertight allowing wires up to 2.5mm (1/10th inch) thick to be used with the radio.