Kraus C-GV-691-19mm-1005ORB Orion Glass Vessel Sink and Riviera Faucet Oil Rubbed Bronze Tempered glass construction Designed for easy above-counter installation Easy-to-clean Polished surface is scratch & stain-resistant Standard 1.75 inch drain opening works with pop-up drains without overflow Brass construction for maximum durability Glass sink is constructed from solid tempered glass Sink features smooth interior with a vibrant color pattern and slightly textured exterior With a golden geometric burst pattern, this sink is an element of warmth and brightness Designed for above counter installation with standard US plumbing connections A solid brass mounting ring and umbrella pop-up drain are included in the same finish as the faucet