I used it 15 years ago, but sales are probably not good now. It is a simple product and its shelf life is probably from May to October each year. The heat of the water is not too uniform. The hotter you wash,
The thermal insulation effect is not good, so you cannot take a shower even on cloudy days. The advantage is that it is simple and cheap. .
This type of hot water bottle is made of two materials, one is wool and silk waterproof fabric and the other is plastic waterproof fabric; the width is about 0.8 meters and the large one is about 1.4 meters long, the small one is about 1.2 meters long and the price is about 10-15 yuan each. There is a water injection port at the top and a shower nozzle at the bottom. The color is black with strong heat absorption. When placed outdoors, the heat transferred from the sun can provide sufficient wateru swimming for a family of three. Made of high temperature resistant and anti-aging plastic processed by high frequency heat sealing