?POP UP DRAIN STOPPER FOR BATHROOM / KITHCHEN SINK?The internal diameter of our pop up sink drain stopper is 33.6mm/1.32inch. Please make sure to measure your sink's drain hole before purchasing, and choose the suitable one. ?HIGH-QUALITY, HIGH-VALUE?Brass stainless steel materials make this cute sink drain stopper durable, explosion-proof, crack-proof, and not easy to rust; the high-quality silicone ring in between with good air-tightness can effectively prevent water leakage. ?UPGRADED PUSH-TYPE DESIGN, SENSITIVE AND NOT STUCK? Built-in spring, this pop up sink drain stopper can be freely switched between pop-up and closed states with just one tap, which is more convenient and easy to use than traditional sink stoppers. ?INTIMATE BASKET DRAIN FILTER, EFFECTIVE ANTI-BLOCKING?The basin pop-up drain filter metal bounce core push-type may collect hairs, rings, dirt and all things, not only provides effective anti-blocking and fast water flow, but also prevents the loss of valuables. ?EASY TO INSTALL CLEAN?Pull out the old sink drain stopper and insert our new one - installation is finished; this pop up drain with surface multi-layer electroplated can also be bright and clean as new after long-term use, therefore easy to clean.