【Universal Size】This drain stopper fits drain holes with an inner diameter of 34mm to 40mm / 1.34 to 1.57 inches and can adapt to a variety of drain pipe types. The matching silicone ring adjusts the size of the sink stopper to better fit the drain hole. Suitable for most washbasins, kitchen sinks, household sinks, bathtubs, etc. (Please confirm your drain hole size before purchasing.) 【Press-Type Drain Valve】The upgraded version allows you to press the drain stopper and switch between water storage and drainage modes by pressing the top cover. It will not move when the button is pressed. The improved multi-layer sealing ring provides a leak-proof seal, eliminating worries and completely solving the problem of water leakage caused by faulty buttons on traditional water filters. 【Built-in Filter Basket】Unlike traditional drain stoppers, this new sink stopper has a built-in, anti-clogging filter basket that catches hair, dirt, and accidentally dropped items to prevent drain blockages. All parts of the new sink stopper are also removable and easy to clean. 【High-Quality Material】This universal sink stopper is made of high-quality, thickened stainless steel with a brass core. It is durable and rust-resistant. Its sturdy structure ensures that it will not crack or leak over time. 【Easy Installation】This set includes two stoppers; no tools are required. Installation is quick and easy. Simply remove the old drain stopper and replace it with the new one.