UPS-White Undermount Porcelain Bathroom Sink, Sink Only Minimum cabinet size: 18 in CONTEMPORARY STYLING  With classy undermount installation, this porcelain beauty flaunts a glistening, broad oval shape with a sloping front and a discreet overflow for safe filling VITREOUS CHINA  Its not just porcelain, its true vitreous china; an even more impervious and sanitary surface resulting from the addition of a special enamel coating INHERENT DURABILITY  Triple glazing and triple firing creates a basin which is triple resilient to abuse; no staining, unlikely chipping, easy to maintain GUARANTEED QUALITY  A Lifetime Warranty covers the sink