The patented EarthBox was developed by commercial farmers and proven in the lab and on the farm. This maintenance-free, award-winning, high-tech growing system controls soil conditions, eliminates guesswork and more than doubles the yield of a conventional garden – with less fertilizer, less water and virtually no effort. All durable plastic components are UV stabilized. Holds 2.0 cu. ft. of potting mix and 3 gallons of water. 29″ L x 14″ W x 11″ H. One-year warranty. (Potting soil not included).