Perfect Size for Half and Full Bathrooms: Measuring 20.28" x 15.16" x 7.87", this undermount bathroom sink fits perfectly in both full and half baths. The installation creates a seamless, built-in look that makes your countertop appear more spacious and well-organized. Deep Basin & No Splash and Overflow: As a highly functional bathroom sink, the deep basin and curved bottom are designed to reduce splashing and ensure fast drainage, leaving no standing water. The overflow hole helps prevent water from spilling over, protecting your vanity cabinet and flooring from potential damage. Easy Clean & No Dirty Edges: The undermount design eliminates the hard-to-clean rim and crevice common in other sinks. You can easily sweep water and debris directly from the counter into the sink for quick, hassle-free cleaning. Stays White & Resists Stains and Yellowing: Crafted from high-quality glazed clay, this bathroom sink is highly resistant to everyday stains, acids from toiletries, and discoloration. It effectively resists corrosion, fading, and yellowing, ensuring the pristine white appearance lasts for years. Considerate Service: HOROW stands behind the quality and durability of our products. Your bathroom sink comes with a 12-month warranty and lifetime after-sales service. If you encounter any issues, please feel free to contact us—we aim to reply within 24 hours. HOROW 20"x15" Undermount Vessel Sink Rectangular Ceramic Undermount Bathroom Sink with Overflow Features: MATERIAL: The undermount bathroom rectangular vessel sink is made of high-quality ceramic, is very scratch-resistant, and won't fade over time. OVERFLOW: The purpose of an overflow hole is to prevent water levels from rising too high, keeping your bathroom dry. UNDERMOUNT: Undermount vanity sink tops sit below the countertop without exposing the rim of the sink. Specifications: Overall Dimensions: 20.28'' L x 15.16'' W x 7.87'' H Basin Dimensions: 17.91'' L x 12.8'' W Basin Depth (Top to Drain Hole): 5.91'' D Package: Undermount Bathroom Sink Installation hardware Cutout template The pop-up drain and faucet are NOT included.