Universal SizeThis sink strainer is suitable for different types of pop-up filter basket drains. Suitable for drain holes with an inner diameter of 32mm-42mm (1.26-1.65 inch). Note: Please measure the size of the drain hole before purchasing to prevent the product from fitting into the drain hole. Stainless steel materialThe sink stopper is mainly made of Made of high quality 304 stainless steel and thick copper material, which is strong, rust-proof, tear-resistant, cast in one piece, quick-draining and leak-proof. Built-in strainer This sink strainer features a non-clogging strainer that easily collects hair accessories, rings, dirt and more. Effectively prevent drain clogging, it is a removable and washable sink stopper, just clean the dirt stuck in the filter and avoid asking a plumber for help. POP-UP FUNCTION Our bathroom sink stopper are made of solid brass rebound core, which has good anti-rebound and rebound ability. The flush plug can be closed and opened in a second No more clogging and leaks EASY TO CLEAN AND INSTALLThe sink drain plug can quickly and easily remove the old bouncing core and install the new one without tools, the plug fully metal sink (knob parts are plastic)can be completely disassembled into 3 separate parts for cleaning