[ Universal Size ] Pop up sink plugs are compatible with various types of pop-up filter basket drains. Equipped with three built-in rubber rings, the size can be adjusted according to the drainage hole. Fits drain holes with an inner diameter of 28–58mm.[ Upgraded Design of Bathroom Sink Strainer ] This bathroom sink filter offers greater convenience and functionality compared to standard sink stoppers. The upgraded stainless steel bounce core push-type drain stopper includes an anti-clogging basket to prevent hair and debris from blocking the sewer. It also features a non-slip rubber pad and two rubber rings (large and small) to ensure a watertight seal and prevent leaks.[ Easy Installation ] The pop-up sink drain stopper is simple to install with no tools required. Its straightforward design allows for quick replacement—just remove the old stopper and insert the new one. For larger sink holes, use the included rubber rings to adjust the inner diameter of the plug.[ High-Quality Materials ] Constructed primarily from durable zinc alloy, the drain stopper is rust-resistant, crack-resistant, and built to last. The integrated design ensures strong rebound performance, enabling fast drainage and reliable water sealing.[ Robust Basket Stopper ] The built-in rubber ring around the basket maintains stability and prevents tilting when the button is pressed. A large non-slip pad beneath the bouncing core ensures a tight, seamless fit with the sink drain under water pressure, providing dependable sealing and efficient drainage.