1.Twomode switch: the popup design of this drain strainer tilts the uncomfortable way of drainage. It is 2 in 1 bath plug and filter. Simply gently press the top cap down to switch 2 modes, including holding water and draining water. 2.Builtin strainer: the sink plug with an antiblocking basket strainer inside, which can collect hair and prevent the drain from clogging, achieving effective filtering unlike normal push button drain. Suitable for bathtub, bathroom and kitchen sink and so on. 3.Double seal: drain fitting sink with hair strainer is made of chromeplated brass, rustproof, robust and durable. Thanks to the double rubber seal of the plug, no water can escape, making your sink sealed if necessary. A set of 2 is available for . 4.Easy to install: no tools are required, it can be easily installed with bare hands. You simply take out the old bounce core and install a bounce core. Anyone can install the popup drain because of its simple structure. If you want to use it for a larger sink hole diameter, you can use the rubber ring provided to increase the inner diameter of the sink plug.