It features a rectangle shape. This undermount sink is designed to be installed as a undermount undermount sink. It is constructed with ceramic. This undermount sink comes with a enamel glaze finish in White color. Inside dimensions of 16.5-in. X 11.75-in. Outside dimension of 18.25-in. X 13.5-in.. Smooth non-porous surface prevents from discoloration and fading. Double fired and glazed for durability and stain resistance. Quality control approved in Canada and re-inspected prior to shipping your order. Sink cut-out included in the box. It is highly recommended that you wait for the sink to physically arrive before proceeding with any cutouts. All dimensions are nominal. Premium white glaze for a glossy finish with a kiln dried ceramic construction. Faucet and accessories not included. 1.75-in. Standard US drain opening.