Made of stainless steel and brass, which can effectively prevent rust and corrosion caused by domestic sewage and oil stains. Comes with 2 silicone gaskets of superior quality for double sealing, soft and durable and higher sealing performance to prevent water leakage. 10% faster than traditional drains. Just a quick squeeze seal and store water below, then click to drain, and the pop-up drain hose quickly sprays water. No tools needed, just a few steps to complete the installation. It is for washbasin with overflow, sink drain valve with standard G1¼ inch connection. Fits most wall-mounted dispensing basins, countertop sinks, undermount sinks and European standard size pipes. This sink stopper is not only suitable for the home, but also for various bathrooms and toilets such than hotels, bars and restaurants.