Nera is a round single layer vessel constructed of clear grey high tempered glass. This grey vessel is perfect fit for a busy stone or cultured top. Novatto uses advanced technology, including computerized glass processing, to produce unique glass basins with unmatched structural integrity and longevity. Internal testing has found these glass vessels to be very durable and forgiving. Items such as toothbrushes or small jewelry should not scratch the surface. For best cleaning results, a soft cloth with mild soap and water or a non-abrasive glass cleaner is recommended. Made with the highest standards of quality and creative design, Novatto sinks add art and function to any bath or powder room.