Virtu USA VST-2067-BAS Adonia Vessel Sink with Natural Shanxi Black Granite Natural Shanxi black granite stone vessel, Round shape Smooth polished finish, Transitionally carved in a timeless design, Seamless 1-piece construction Highly resistant to stains, Withstands hot temperatures, Tolerant to extreme temperature changes Installs over countertop in a freestanding configuration, Maximum dimensions: 16.5-Inch wide, 16.5-Inch deep, 5.9-Inch high, 3-Gallon capacity Drain hole template provided for easy installation, Requires vessel drain without overflow