The M245B rectangular 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 M245B are 21 1/2" x 18 3/8" x 9 1/8" and requires a 24" 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.