【Universal Compatibility】The Sink Stopper Bathroom Pop Up is suitable for drain holes with an inner diameter of 28mm - 50mm(1.10 - 1.96 in). Three silicone rings ensure fit most U.S. standard sink plug drain holes. 【Stopper/ Strainer Switching】Different from traditional sink plugs, just press the top cap down to achieve fast drainage or seal and prevent water leakage, It is also an anti-leakage bathtub stopper, saving you time and energy. 【Anti-clogging Design】 The bathroom sink drain stopper has an anti-clogging basket inside to collect hair and prevent the drain pipe from clogging and jewelry from accidentally falling into the sewer. 【Easy to Install】 Plug and play. Just take out the old sink stopper and plug in a new bathroom sink plug. 【Premium Material】 The sink drain plug is mainly made of high-quality stainless steel and thickened copper materials, sturdy, anti-rust, anti-cracking. With its good bounce and rebound strength, rapidly drains and quickly seals water.