The sleek Nantucket Sinks NS-GSTR36 white sink is fabricated from a high tech composite material and is sure to make a great addition to any bathroom. Versatile, the design can be installed as a vessel or an undermount. Glacierstone has many benefits and is lightweight and easy to maintain. This 36 inch sink offers a contemporary rectangular design. As a vessel, the angled edges and low profile make it sleek looking and give easy-access to the sink's basin. Composite material is sound absorbing and stain-resistant, non-porous surface is hygienic. Features a 15 year warranty against discoloration. This sink has a standard 1.5" drain diameter and has no overflow.