Mirabelle MIRU1812 18-11/16" Porcelain Undermount Bathroom Sink with Overflow, Biscuit Rectangular basin gives a classically clean look to the bathroom countertop Sink is constructed of a high quality porcelain material Undermount installation makes cleaning in and around the sink fast and easy Rear drain location increases workspace in the sink as well as storage area underneath Equipped with overflow drain - works in tandem with the primary drain to prevent an overflow or spillage