Black porcelain undermount sink is made from true vitreous china which is triple glazed and triple fired to ensure your sink is durable and strong. Our bisque color is a beige hue that contains a yellow tint. Undermounting a bathroom sink creates a sleek look and allows for more space on your countertop. The overall dimensions for the U1913-Black are 20-3/4 in. x 14-3/4 in. x 7-3/4 in. and requires a 24 in. minimum cabinet size. Pop-up drains in a variety of finishes are available with this sink model. As always, our porcelain sinks are covered under a limited lifetime warranty for as long as you own the sink.