ECOSINKS DCG-3322 Double Bowl Granite Composite Kitchen Sink Dimensions:Outer: 33 x 22Inner: 31" x 16. 75Depth: 9"` Beautfiul and versitile black finish Deep 9" double bowl for many applications Drop-in design is easy to install with no mounting clips needed if using silicone sealant Coposite granite material with the beauty of porcelain and the strength is scratch-, chip-, stain-and scorch resistant.