This black vessel sink features durable vitreous China construction and sleek square design. • Vessel Sink • Outside dimensions: 18-3/4” x 14-1/2” x 5-3/8" • Inside dimensions: 18-3/8" x 14-1/8" x 4-3/8" • Matte Black Vitreous China • Limited Lifetime Warranty • Popup drain is required for this sink and is sold separately. This sink requires a pop up drain with no overflow. • cUPC certified