DURABLE MATERIAL: Made of high quality material, wear-resistant and not easy to damage, it can be used for a long time. Thick silicone gasket, no need for glue, good sealing performance. Built-in filter: Unlike ordinary drain, this drain plug has an anti-clogging strainer inside, which is convenient for cleaning dirt and can prevent jewelry, rings, dirt and other objects from entering the drain pipe to prevent clogging and prevent the drain pipe. Wide application: This product can be used in various types of filter basket water filters. It is suitable for drain holes with an inner diameter of 32mm to 42mm. Popular valve: The sink stopper can prevent the sewer from sticking and prevent the generation of peculiar smell. Integrally molded and seamless, the rubber ring around our built-in basket maintains stability, it will not tilt when you press the button, so you don't have to worry about sealing and drainage. Easy to use: No need to replace the drain parts, just remove the original copper core, insert our drain plug, gently shake the drain plug to fit the drain hole, press the switch to start water storage and drainage to complete. Note: The data are all manually measured, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.