Multiple Occasions: This 20L solar shower is an ideal choice when you want to enjoy a comfortable shower while camping, fishing, climbing or at a festivalHigh-quality materials: The solar shower bag is made of waterproof material and environmentally friendly PVC coating, which is safe for the health of men and children, but can quickly absorb sunlight for heating. More environmentally friendly and energy-saving.Sufficient water space: The shower bag can hold up to 20 liters (5 gallons) of water and can accommodate up to 3 people, which will not make you worry that there is no water when taking a shower.Easy to use - Using a solar shower bag can save the cost of using solar energy to heat water - just fill it with water and leave it in the sun for 3 hours, and the shower at the campsite will be heated to 40 degrees