WaterBrick Stackable Water & Food Containers

via Amazon

The Water Brick is able to hold more than just water. Its 3.5 gallon storage capacity can actually transfer to holding things like dry food, and ammunition. The unique feature of the WaterBrick is its ability to lock and stack with other WaterBricks. Owing to their unique construction, they can be stacked up to 4 feet high for maximum storage capacity.