VIGO White Phoenix Stone Vessel Sink Phoenix Stone is a revolutionary blend of crystallized glass and stone resulting in a highly durable complex material Diameter: 15.5-in., Height: 5.5-in., Glass thickness: .625-in. Opaque white with smooth rounded edges, scratch-resistant Non-porous surface prevents discoloration and fading, stain-resistant, easy-to-clean surface Polished glass interior and exterior Above-counter installation, 1.75-in. standard drain opening cUPC certified, ADA Compliant, Limited Lifetime Warranty