Houzer PCG-3600 NB Porcela Series Porcelain Enamel Steel Undermount Single Bowl Kitchen Sink, Large, Navy Blue Undermount Large Single Bowl External dimension 17.32" X 30.9" Bowl 28.75"x15.06"x9" deep Non-porous glossy surface Limited 10 Year Warranty NOTE: The edges and drain area are UNFINISHED - UNDERMOUNT sink, so the edges, back and drainhole area are NOT finished with porcelain - This is because those areas will be mounted with plumbers putty on the counter as well as the drain strainer so there is no reason to finish and polish the edges.