Kraus C-GVS-901-19mm-1005ORB Clear Aquamarine 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 Sink is made from tempered glass faucet is constructed from solid brass All mounting hardware and hot/cold waterlines are included Matching umbrella pop up drain and mounting ring are included Limited lifetime warranty Certified and listed by upc cupc csa iapmo ansi and scc