This modular system eliminates the need to pour concrete. The pad locks together with built-in connectors. The six pads will form an 8' by 8' pad. Add additional pads as needed to increase your overall pad size. These units are very durable and speed up installation and eliminate the hassle of pouring concrete. This item ships in 2 boxes, each box containing 3 pads each for a total of 6 pads. Great for spas, additions to decks and patios or create a new stand alone sitting or swing area in another place in your yard. Think of the various possibilities using this product around your home or business.