UCB-21-1 Undermount SinkMaterial: Vitreous ChinaAreaBathroomIdeal for less deep cabinets, UCB-21-1 is a modern rectangle sink in a skinny profile. Use it with standard depth vanities for more counter space.SpecificationsOverall Size: 20-1/2"W x 13-1/2"T Inner Size: 18-1/2"W x 11"T Minimum Cabinet Size: 24"