SincereetaliMaterial: Copper bouncing core + silicone sealing ring + ABS electroplating body + stainless steel edge cover. The basin bouncing filter element can be used for hacking, bouncing, a filter basket, plug and play, no need to change the entire drainer, only one bouncing core is needed. Multi-layer electroplating is durable as new, electroplating is corrosion-resistant, not easy to rust, easy to clean, water storage does not leak, multi-layer silicone ring design, more leak-proof water storage. Multi-perforated basket prevents clogging, multi-hole design, rapid drainage and intercepts foreign objects at the same time, high-speed drainage, multi-hole design, rapid drainage to intercept foreign objects without delay. Easy and easy to install in two steps, girls can also easily install, remove the old drainage core or cover, insert the new core rebound to complete the installation, the installation is simple, no need to waste time studying its installation process, save time for your life