Universal Basin Waste: Pop-up basin waste with overflow is suitable for basins with overflow holes in the standard installation size G 1 ", which can be changed quickly and easily. Function Pop-Up: After the pop-up bathroom sink stopper is installed on the sink, you just need to press it to instantly close and open the sink drain valve, so you can easily achieve a tight seal and a fast drainage. Durable Material: Sink drain is made of high quality stainless steel and brass, rust and corrosion resistant. Longer life. The stainless steel surface is chrome plated for a brighter appearance, resists daily scratches, and is not easy to change color. Silicone Gasket: Waste room drain uses a high quality silicone gasket to increase tightness and reduce the risk of water leakage. When installing, please make sure that the installation position and method of the silicone sealing ring are correct. Easy to Install and Clean: Bathroom drain can be installed in a few simple steps. Unscrew the sealing cap counterclockwise to clean it.