Our product idea originally came out of Humanitarian work we were doing in South Africa and Haiti through Global Giving. We quickly learned that to help others, we had to make profit selling our product to the general public. The WaterBrick container can be used for disaster preparedness, camping, bulk dry storage and many other uses. The WaterBrick Stackable Container holds 3.5 Gallons of Liquids or up to 27 Pounds (264 Adult Servings) of Dry Foods. These unique containers add value by cross stacking up to 7 feet for efficient storage. Wide diameter lid opening, with notched easy grip, lid allows for an average adult to pull stored contents out of the container by hand. Store water, food or anything you want to keep dry or store efficiently. FDA approved & BPA free.