Sunlight heats up to 5 gallons of water to nearly 100°F in as little as 2.5 hours in this portable shower unit. Its black polyethylene reservoir absorbs the heat of the sun for eco-friendly, fuel-free heating. It has the largest shower head of any solar shower unit on the market to provide a steady stream of refreshing hot water. You also receive a thick shower hose that resists kinking, along with an S-hook and cord for easy hanging. The unit packs down to 9.38"L x 3.5"W x 10.38"H. Weight: 19.5 oz.