This DeerValley oval undermount bathroom sink with an overflow hole avoids the risk of overflow and makes use more secure. The under-counter installation features a seamless design that creates smooth lines, perfect for sophisticated or contemporary home styles. The under-counter installation type not only reduces the tedious installation steps to make installation easier but also saves space on the countertop to facilitate daily use. This sink is made of vitreous china with enamel coating technology, which makes this undermount sink not only has a rigid construction that resists scratches and cracks from daily use but also has the advantage of being non-porous to effectively reduce water absorption rate and maintain hygiene. High-gloss and smooth finish prevent dirt from remaining and is easy to clean, saving more time on cleaning for busy lives.