This bathroom sink features 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. • White Undermount Porcelain Sink • Inside DIMS: 18-1/2” x 11" x 5-1/4" • Outside DIMS: 21” x 13-3/8" x 7-1/4" • Minimum Cabinet Size: 23" • True Vitreous China • Cardboard Template included • Mounting Clips Included • Limited lifetime warranty • cUPC Certified