WaterBrick 3.5 Gallon BPA FREE Portable and Stackable - 10 Pack
These unique water containers, unlike any other, are a convenient and economical way to store water and dry foods. They can hold 3.5 Gallons of liquids or up to 27 Pounds of grain and other granular dry foods. The conical supports inside a WaterBrick allow enough support to cross stack them 4 feet high.