Houzer MADISON N-200 Onyx Madison Series Topmount Granite Double Bowl Kitchen Sink, Onyx Overall size 33" X 22", Each Bowl 14.56" X 16.37" X 9.5" deep Quartztone Granite Extremely tough and durable surface with 80% Quartz Fits 36" cabinet Non-porous surface, silky to the touch, Optimum hygienic protection.