20" Condesa Hammered Copper Vessel SinkThe square shape and the striking hammered detailing both show why this copper vessel sink is a smart choice for any bathroom. The sink includes a pre drilled drain hole. Overall Dimensions: 20" L x 18 1 2" W (Front to Back) x 3 1 2" H ( 1 2") Interior Dimensions: 18" L x 17 1 2" W (Front to Back) ( 1 2") 2 3 4" Basin Depth 18 Gauge Copper Construction No Overflow Hammered Copper Exterior and Interior Hand Polished Living Finish Will Patina with Time;