Solve your bathroom sink woes with this 2-in-1 pop-up stopper, engineered to fit 99% of standard US drains (1"–2.3" diameter) via 4 silicone rings and a brass bullet core. It combines water seal and anti-clog functions to eliminate odors and prevent clogs, with a built-in core trapping hair, gunk, and small valuables like rings. Crafted from high-quality stainless steel and brass with a sleek matte black finish, it’s tough, crack-resistant, and built for long-term use. Installation is tool-free and plumber-free—simply swap out your old strainer—while thick silicone rings ensure odor prevention and fast drainage.