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. Widespread Faucet Hole: Pre-drilled three faucet Holes for a dual handle faucet. Overflow: Equipped with an overflow that offers easy installation, spill prevention, and space-saving properties. Basin Depth: 3.75 Inches. Drain: Standard 1.75" inch drain.