Virtu USA VST-2023-BAS Olympia Vessel Sink with Natural Shanxi Black Granite Natural Shanxi black granite stone vessel, Curved rectangle shape Smooth polished finish inside with bush-hammered edge, 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: 17.7-Inch wide, 15.7-Inch deep, 4.3-Inch high, 5-Gallon capacity Drain hole template provided for easy installation, Requires vessel drain without overflow