【High-quality material】The pop-up sink drain is made of high-quality copper. The glossy coating prevents rust, the fine silk threads prevent shedding, and it is thick and durable. 【Double seal】The Click Clack sink stopper adopts a double-layer silicone seal. Once installed, it can fit perfectly without glue, with good sealing performance, which can effectively prevent water leakage from the plunger side. 【Fast drainage】Close and open the valve in one second! Press once to quickly seal and store water, press again to drain, and the telescopic drain pipe will drain the water quickly. 【Widely used】The external thread diameter of the bathroom sink drain is a standard size of 40 mm, suitable for most sinks and countertops. Note: Please measure your sink drain hole before purchasing. 【Easy to Install】The drain valve is very easy to install and can quickly replace the old drain system, no tools required!