Universal Sink Drain: Pop-up sink drain with overflow is suitable for sinks with overflow holes in the standard installation size G 1 ¼", which can be changed quickly and easily Pop-Up Function: Once the pop-up bathroom sink stopper is installed on the sink, you only need to press it to instantly close and open the sink drain valve, so as to easily achieve sealing and rapid drainage Durable Material: Sink Drain is made of high quality stainless steel and brass, rust and corrosion resistant. The surface is chrome plated for a shiny appearance and resistance to daily scratches. Silicone Gasket: Bathroom Drain uses high quality silicone gasket to reduce the risk of leakage. Please make sure the silicone gasket is installed in the correct position and in the correct way Easy to Install and Clean: Bathroom Drain can be installed in a few simple steps. Unscrew the sealing cap counterclockwise to clean it