600L/158Gal Water Bladder with Water Level Indicator, PVC Foldable and Portable Water Tank with 3 Connectors and Overflow Kit, Ideal for RV, Camping, Rainwater Collecting,Planting Watering. It opens up to about 158 Gal capacity.This water storage bladder is foldable for easy storage and space saving which can be placed under goods shelves or fold into car trunk.