【Universal Size】The sink drain stopper is suitable for drain holes with an inner diameter of 34mm to 40mm / 1.34 to 1.57inch, can be used for different types of drains. The matching silicone ring can adjust the size of the sink stopper to better fit the drain hole. Fits most sizes of sinks, kitchen sinks, household sinks, bathtubs and more. (Please confirm the size of the drain hole before purchasing) 【Pop-Up Drain Valve】Upgraded Pop-Up Drain Stopper Simply press the top cover to switch between storage and deflation modes, it will not tip over when you press the button. Sealed and leak-proof, upgraded multi-layer sealing ring design, no leakage, safe to use, solves the problem of water leakage caused by the traditional sink water filter button failure. 【Built-in strainer】 Unlike the traditional drain stopper, the new sink drain stopper has a built-in anti-clogging basket filter that catches hair, dirt and accidentally dropped jewelry to prevent the drain from clogging. At the same