The Emperador Bowl Circular Vessel Bathroom Sink is made from natural dark emperador marble stone. This beautiful vessel sink in dark emperador marble makes a big statement, its modern design and thick walls give it a bold look while not being overpowering. The polished interior and exterior provide a functional and beautiful stone sink surface. Each sink is wonderfully unique with natural variability in dark and lights browns and whites intermixed. They recommend that you also purchase a drain with your stone sink in the same finish of your faucet.