The stainless steel washbasin waste set and the chrome material on the surface can effectively prevent corrosion and rust. The sealing ring is made of silica gel, which is soft, durable, dry-crack-resistant and tight, and which excellently prevents water leakage. Outstanding Design With a simple pop up valve design function, the drain valve with overflow can close or open in an instant. Prevents overcrowding, a good household helper for you. Easy installation Operation Drain valve with standard 1 connection, suitable for all commercially available wash basins and washstands. Quickly and easily replace or install the drain valve without tools. When cleaning the sink drain fitting, simply unscrew the upper pressure plug of the drainage device and clean the respective part with a cloth and a cleaning agent. As we are convinced of our quality, we are also at your disposal after the purchase for any questions about installation or uses, but also for problems by phone or e-mail.