Big Kahuna Portable Showers are rugged, compact and completely self-contained portable showers. Big Kahuna Showers plug into any vehicle or boat cigarette lighter and are fitted with a 12-volt submersible pump. The shower head includes a variable pressure control and is attached to a coiled hose, making showering easy. The container, patented water-tight lid and hose absorb UV light from the sun to warm up the water. Big Kahuna Showers are available in 8 and 13 gallon sizes.