This bathroom sink features a black durable vitreous china construction in a sleek rectangular undermount design. With a contemporary form, this vanity sink is constructed for durability and easy cleanup. This sink features an overflow hole to prevent excessive filling. • Glossy Black Undermount Sink • Outside Dimensions 18" x 13" x 7-1/4" • Inside Dimensions 16-1/4" x 11" x 5-1/2" • Minimum Cabinet Size: 20” • True Vitreous China • Cardboard Template Included • Mounting Clips Included • Limited Lifetime Warranty • cUPC Certified