Volle, from the exclusive hand painted vessel collection of Novatto, adds a touch of style to any bath. Novatto?s tempered glass vessels will enhance and harmonize the look of any bath by unifying the color and textural design. Constructed of high tempered glass, this oval vessel sink has a unique hand-painted design of brown, copper, and black. Tempered glass cannot be compared to everyday synthetic porcelain and ceramics. Novatto uses advanced technology, including computerized glass processing, to produce glass basins with unmatched structural integrity and longevity. Standard 1.75-inch drain opening. Glass Vessel Dimensions: 21.5 x 13.5 x 4.25/6.5". Suggested Novatto pop-up drains: PUD-ORB (oil rubbed bronze), PUD-BN (brushed nickel), and PUD-CH (chrome). Suggested matching Novatto mounting rings: MR-001ORB (oil rubbed bronze), MR-001BN (brushed nickel), and MR-001CH (chrome).For best cleaning results, a soft cloth with mild soap and water or a non-abrasive glass cleaner is recommended.