High-quality material: the universal sink drain plug is made of thickened, high-quality galvanized ABS and brass core material, which is durable, not easy to rust and has a solid structure that does not crack or leak during long-term use. Built-in strainer: the sink strainer with an anti-blocking basket strainer inside, which can collect hair and prevent the drain from clogging, which achieves effective filtering unlike normal push button drain. Suitable for bathtub, bathroom and kitchen sink and so on. Pop-up drain valve: improved pop-up drain screw. Simply press the top cover to switch between storage and drain mode, it does not tip over when you press the button. Sealed & Leakproof Upgraded multi-layer sealing ring design, no leakage, safe to use, solves the problem of water leakage caused by the failure of the button of the conventional sink water filter. Easy installation: universal sink drain stoppers, simply remove the old one and insert it to complete the installation. Integrated design allows installation by hand without the use of tools. If you want to use it for larger sink hole diameters, you can use the built-in rubber ring to increase the inner diameter of the sink plug. Wide use: the sink plug with strainer can be used in the bathroom for sinks and bathtubs as well as for cooking.