Houzer EURO N-100 ONYX Euro Series Undermount Granite Single Bowl Bar/Prep Sink, Onyx Overall size 15.75" X 15.75", Bowl 15.75" X 15.75" X 8.07" deep Quartztone Granite Extremely tough and durable surface with 80% Quartz Fits 18" cabinet Non-porous surface, silky to the touch, Optimum hygienic protection.