The DOING open-top Portable Onion Flexible Water Tank is also called a drought-resistant water storage bladder, a vehicle-mounted drought-resistant water bladder, and a movable drought-resistant water bladder. This water tank is made of polymer-coated woven cloth, which can be folded and curled, with a circle of floating body on top. As the water level rises, the tank body automatically forms, forming an onion shape, with valves and water pipe joints at the bottom. It's the perfect solution when manpower is scarce. The Water Holding Tank Reservoir can be expanded and operated by a single person, which saves manpower. It has no frame design, does not require assembly, and is convenient for storage and transportation. Product Features Simple and fast, saving time and manpower. Long service life, resistant to various climatic conditions. High-strength and durable, the groove edge automati…