Kraus KCV-150-CH White Square Ceramic Bathroom Sink and Pop Up Drain with Overflow Chrome Easy-to-clean Polished surface Designed for easy above-counter installation Durable non-porous finish is scratch & stain-resistant Standard 1.75 inch drain opening works with pop-up drains without overflow Coordinates with any vessel or wall-mount faucet Easy-to-Clean Polished Surface Designed for Easy Above-Counter Installation Durable Non-Porous Finish is Scratch & Stain-Resistant Standard 1.75" Drain Opening Works w/ Pull-Up & Pop-Up Drains w/ Overflow (1.25  1.5) Built-In Overflow