Countertop Installation: Our 20.08 x 18.31 x 6.69in semi recessed bathroom sink features a 1-3/4in drain & three pre-drilled faucet holes, recommended cabinet cutout 15.16 x 15.16in. Fits home, hotel, apartment bathrooms (Faucet & drain not included) Stain-Resistant Glaze: The ceramic bathroom sink adopts a nano-glazed smooth surface that resists yellowing and scratches. Its seamless finish reduces dirt buildup, makes cleaning easier, and keeps the sink looking bright white and fresh over time Quick Drainage: Equipped with a rectangular basin and a wide drain hole, this bathroom semi recessed sink fits most standard pop-up drains