Universal SizeThis sink strainer is suitable for all types of pop-up strainer basket drains. Suitable for drain holes with an inner diameter of 32mm to 42mm (1.26 to 1.65 inches). Note: Please measure the size of the drain hole before purchasing to prevent the product does not fall into the drain hole. Stainless steel materialThe sink stopper is mainly made of high quality 304 stainless steel and thick copper material, which is sturdy, rust-proof, tear-resistant, integrally formed, quick-draining and leak-proof. Built-in strainerThis sink strainer features a non-clogging strainer that easily collects hair accessories, rings, dirt, etc. Prevent pipe clogging. Ejection FunctionOur bathroom sink stopper is made of solid brass rebound core, which has good resistance to rebound and rebound . The flush cap closes and opens in a second! No more clogs and leaks! Easy to clean and installThe sink drain plug can quickly and easily remove the old pop-up core and install the new one, no tools required , the all-metal sink stopper can be completely disassembled into 3 parts separately for cleaning