Kraus C-GV-620-17mm-1005ORB Copper Snake Glass Vessel Sink and Riviera Faucet Oil Rubbed Bronze Glass sink is constructed from solid tempered glass Designed for above counter installation with standard US plumbing connections Sink features polished glass interior and exterior Certified and Listed by UPC, cUPC, CSA, IAPMO, ANSI and SCC Limited Lifetime Warranty