zvd camping solar shower bag, 20lsolar portable shower bag with 45 c on off switchable shower head

best material this shower bag is made of waterproof material and eco friendly pvc coating. the materials used are safe for human health. the pvc material can effectively absorb solar energy to heat the water in the bag. it heats water to 45 c 113 f in 3 hours with direct sunlight. high water capacit