This bathroom sink features durable vitreous china construction in a sleek rectangular Top-mount 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, as well as a dock for faucet installation. • Top-mount Vanity • Outside dimensions: 20-1/8“ x 16" x 6-1/8" • Inside dimensions: 17" x 10-1/2" x 4-1/8" • Vitreous China • Limited lifetime warranty • cUPC certified • Minimum Cabinet Size: 21”