Universal SizeThis bathroom sink drainer plug can be used for the different types of Pop-Up kitchen sink hole plug, suitable for drain holes with an inner diameter of 31.5-41.5mm/1.31-1.63 Inch. The sink stopper can be used in wash basin, kitchen sink or shower bathtub sewer etc. NOTE: Please measure your drainage hole size before ordering. High-quality Sink PlugThis sink strainer are main made of quality brass materials, anti-rust, anti-cracking, integral molding. With its good bounce and rebound strength, rapidly draining and quickly sealing water. ( Just Press The Top Cap Down Gently ) Build-in Strainer & Anti-CloggingCompared with ordinary sink plugs, this newest sink plug designed with a removable anti-clogging filter basket which can prevent hair, jewelry, and dirt from getting stuck in the sewer. It's useful and effective than tradtional sink plug. Easy to CleanSpring plug for sink the rubber ring around the Built-in basket maintains stability and will not tilt when you press the button,sink basin plug so you don't have to worry about sealing and drainage issues,draining quickly and can be taken out and cleaned at any time.