Rectangular Vessel Bathroom Copper Sink 16 x 12 x 7" for Over the Counter or Vessel installation, all hand made, all copper, all hammered. Base = 13 x 9". Drain = 1.5".Our Natural finish is the most rustic and versatile copper sink finish. It is truly unique with tones of orange, yellow, black, medium brown, light brown and occasionally reddish tones. This is our most varied finish due to the natural process (wood fire) used to create it. Based on the climate conditions of temperature and humidity at the time that the sink is made, some sinks will have more of a mix of colors, saturation & contrast than others.