EzGro Quad Pots are designed for maximum growth results with minimal effort. This is hydroponic gardening made truly simple and affordable!EzGro Quad Pots are a decorative showpiece which can be used almost anywhere. They are perfect for any yard, deck, patio, or balcony. They are stackable and nestable. They are the most durable pots on the market at 3 times the thickness of other pots. We have them made from High Density Polyethylene (HDPE), Recyclable symbol 2. They will last 15 to 20 years in full sun. They are Environmentally Friendly made with recycled HDPE For larger quantities you can email us.