Good Ideas Garden Wizard Raised Bed Garden with Dark Granite finish is the most innovative raised bed on the market today. This raised bed uses four 50" wall sections that interlock to enclose a 4' x 4' x 10" space. And it is the very first raised bed garden that can water itself. That's right, this patented design makes use of specially designed soaker hose that connects to each wall. When you fill one wall with water, it transfers to each of the other walls while simultaneously watering the garden. The unique soaker hose uses a slow-drip, wicking action that only delivers water to the soil when needed. So you can be assured that plants will stay watered, but not over-waterd. But the wall sections can also work without the soaker hose, providing you with a beautiful, sturdy, and inexpensive rock wall border. The Garden Wizard RBG takes no more than 5 minutes from start to finish. Simply layout your setup location, connect the wall sections with the pins, and attach your included soaker hose (optional). If you're looking for more than a 4x4, simply add a matching Raised Bed Garden Extension Kit to your order and expand to a 4x8. It's made in the USA using safe and strong Polyehtylene that contains FDA approved materials. 31" x 26" x 26" at 17 lbs., Includes Trilingual Instructions, (4) Corner pins, (4) 4' Walls, (8) Soaker hose sections.