High Quality Material: The drain plug is mainly made of quality stainless steel and brass, integral casting anti-rust and anti-crack. Good rebound and bounce resistance, quickly seals and drains water with one push. Built-in Crib: Unlike ordinary push-button drains, this sink trap features a basket strainer that catches hair neatly and cleanly. prevents clogged drains, items that won't go down the drain, such as jewelry, rings, dirt, etc. chain). Just gently press the top lid to switch between 2 modes: lid (to keep water in) and filter (to drain water). 3 drain filters, 3cm in diameter: This product can be used for different types of drainer. Fits drain holes with an inside diameter of 33.6mm. Easy to install drain strainer: Simply remove the old strainer and insert the rebound core to complete the installation. Anyone can perform this operation. The thickened and elongated nut allows installation by hand, without the need for tools.