A timeless addition, this porcelain sink and faucet combo includes everything needed for a contemporary upgrade. The outside edge is bordered in a rich black color while the inside is a bright white. As an industry leader in bathroom vessel sinks, Novatto uses advanced technology to produce beautiful vessel sinks with unmatched structural integrity and longevity. Each porcelain sink is protected with a premium gloss for less maintenance and lasting beauty. A non-porous and stain resistant finish ensures a new look for years to come. Outside dimensions for the sink measure 21.5-inches by 16-inches. This sink has a standard 1.75-inch drain opening on center with no overflow.The brushed nickel waterfall lav faucet flows the water seamlessly into the sink. Included with this combo are a matching umbrella drain and also a sink and faucet sealer to prevent any hard water spots or mineral build up! Novatto's Glacier Ice wipe-on treatment is a hydrophobic sealer used on sinks and faucets. Glacier Ice inhibits the growth of pathogens while preventing mold, mildew, corrosion, oxidation and dirty mineral buildup caused by hard water!