Above-Counter Installation: A vessel sink sits above the counter top for an eye catching design. Durable Non-Porous Scratch Resistant Ceramic: Developed from ceramic, that is scratch-resistant and non-porous, providing a durable and reliable option that can withstand routine use. No Faucet Holes: Designed for wall-mounted faucets. Drain: Standard 1.75" inch drain opening. Basin Depth: 2.76 inches.