Sinkology SK201-23AC Classic Renoir Undermount copper Sink 23 In. Single Bowl Kitchen Sink In Antique copper, 23", Hammered Antique Copper Think differently about kitchen design, a Copper sink is the centerpiece of your kitchen Commercial Grade - 16 gauge Pure solid Copper 063 - 068 thickness Sinkology Copper sinks will not turn Green with typical indoor use Single bowl design allows for maximum bowl utilization Protected by a lifetime warranty