✓【NO LONGER GET CLOGGED】There is a detachable drain strainer in our bathroom sink stopper to catch hair, dirt and jewelry and prevents the drain from clogging up. ✓【HUMANIZED SINK DRAIN STOPPER】Its drainage speed is 10% faster than the traditional. No lifting lever is required, just press the stopper to seal or drain. ✓【304SS TOP SURFACE+ABS&PP BODY】The top surface of bathroom sink drain is made of high quality 304 stainless steel with a multi-layer brushed nickel finish. Bottom pipe is made of PP and ABS. This combined structure not only resists rust, but also resists corrosion and cracking. ✓【FOR 1 3/4" DRAIN OPENING】Ideal for vessel sink or undermount sink with OVERFLOW. Suitable for sink holes from φ1.6 inches to φ2.0 inches (40mm-50mm). Be sure to measure your sink hole before making a purchase. ✓【TOOL-FREE INSTALLATION】You can install this sink drain kit by bare hands within 3 minutes due to its simple construction. Make sure that the rubber gasket is in the correct position to avoid leakage. SPECIFICATIONS: Finish: Brushed Nickel Top Cover Material: 304 Stainless Steel Bottom Pipe Material: PP&ABS Overflow: Yes Sink Hole Fitting Size: φ1 37/64" (40mm)~φ1 31/32" (50mm) Maximum Sink Thickness: 2 11/64" (55mm) Overall Height: 9 1/4" (235mm) with pop up open, 8 55/64" (225mm) with pop up close Diameter of Top Cover: φ2 11/64" (55mm) Diameter of Bottom Pipe: φ1 3/16" (30mm) ADVANTAGES & FEATURES: ✔Suitable for most US bathroom sinks with OVERFLOW. ✔Elegant brushed nickel finish can resist daily scratches, corrosion and rust. ✔The basket filter can collect hair and jewelry, not get clogged. ✔Premium 304 stainless steel,PP and ABS material is corrosion resistant and anti cracking. ✔Faster drainage without long waiting. ✔Push down to seal and push again to open. ✔The thickened rubber gasket prevent leakage. ✔Installation can be completed in 3 minutes. PACKAGE INCLUDED: 1*Pop up sink drain 2*Rubber gasket 1*Instruction ATTENTION: The pop up drain stopper for bathroom sink is only used for the sink and cannot be used for the bathtub.