Dcolora Undermount Bathroom Sink Rectangle 16"X12" White Porcelain Ceramic Sleek and contemporary rectangular undermount bathroom sink, offering modern, elegant and glamour to update lavatory bathroom. This bathroom sink is crafted with high grade ceramic porcelain, specially designed for impact-resistance. This rectangle bathroom sink has a smooth, non-porous surface with a baked-on glaze for added durability and a high-gloss finish. Simply wipe the sink surface with a damp cloth to keep it looking beautiful with minimal maintenance. Ceramic bathroom sink Exterior Dimension: 18" x 13 4/5" x 8-1/4" ; Interior dimension: 16" x 11.8" . Under counter installation, easy to install, 1-3/4" drain opening as standard to match universal drain set. Faucet and sink drains are not included in the package. Dcolora Commitment: We always put our customers first and are here to help you at any time. If you have any questions or concerns, we will respond within 12 hours.