Inspired and driven by the forces of Mother Nature, s absolute natural granite vessel will add character and charm to your bath. Our absolute granite vessels come from around the world. Natural stone cannot be compared to everyday synthetic porcelain and ceramics. Honed and hand polished to perfection, this oval slipper vessel will become your baths oneofakind masterpiece. Black granite is very consistent and little variation should occur from sink to sink. These vessels are designed for abovecounter installation with standard U. S. plumbing connections. For best cleaning results, a soft cloth with mild soap and water or a nonabrasive glass cleaner is recommended. A stone sealant should be used to help protect the surface and allow for easier cleaning. in cluded with the sink is s umbrella drain UPDBN, constructed of solid brass for strength and durability. Finished in brushed nickel, the drain assembly has two rubber seals, a plastic spacer, and brass fastener. Just add water and enjoy s Limited Lifetime Warranty. Features. Absolute natural granite slipper sink with brushed nickel umbrella drain included. Natural stone handcrafted by master artisans, Unique oval slipper shape. 1.75inch drain opening, 1.5inch solid brass umbrella drain with no overflow. 7/8Inch thick, 20 x 11.75 x 4.25/6inches outside, 18.25 x 10 x 3.55/5.25inches inside. Limited lifetime warrantySpecifications. Style Contemporary/Transitional. Material Granite Solid brass. Installation type Above Counter. Finish Polished Stone Brushed Nickel. Dimension 11.8 W x 20 L. Weight 33 lbs