simple,reliable,economical with ISO 9001:2000approved high quality,best price 1.Product NameWater tank(water bladder/bladders)2.MaterialPVC/TPU3.Size/Capacitywe ... to transport and saves time when folded . 2)Our water tank can be customized according to car and truck size , 3 ... etc can be customized , so customer can use our water tank to make a system that can suppy water and fuel ...