Collapsible Tanks for drinking water are the easiest and most economical way to contain accumulated water. Our collapsible pillow, Onion and Pond shape tanks are constructed from a flexible fabric material, can fit in the hardest to reach spaces, and when filled, will stay low in profile. These collapsible water tanks fold flat for storage and are lightweight for easy shipping. Their versatility and easy installation have made them perfect for industrial, commercial, and residential areas.