These BPA free, high density polyetholene(HDPE) stackable water containers are perfect for your water storage needs. The Stackable Water Containers each hold 5-gallons of water. That means that with this kit, you'll have 20-gallons of fresh, clean water for you and your loved ones. You'll need about a half gallon each day for drinking purposes in an emergency which means that this supply will last a person 40 days, cut it in half if you plan to use it for cleaning and hygiene.<br> With the flat bottoms and tops, these containers can nestle together for easy stacking. This will save you space and be more convenient than other containers. Instead of trying to move around a large container, you can easily pick up a 5-gallon container and use as needed. <br> Water is an item that you'll need in an emergency. While you might be able to survive for a while without food, you won't last very long without water. Be prepared with water for your family and buy today! <br>Kit includes: (4) 5-gallon stackable water containers with lids.