Universal Size: This sink strainer is suitable for all types of pop-up strainer basket drains. Suitable for drain holes with an ID of 32 mm to 42 mm (1.26 to 1.65 inches). Note: Please measure the size of the drain hole before purchasing to prevent the product from falling into the drain hole. Stainless steel material: The sink stopper is mainly made of ABS and thick copper, which is sturdy, rust-proof, tear-resistant, one-piece casting, quick-draining and leak-proof. Built-in strainer:This sink strainer is equipped with an anti-clog filter, which can easily collect hair accessories, rings, dirt and more. Effectively prevent the drain from clogging, it is a removable and washable sink stopper, just clean the dirt stuck in the filter, avoid asking the plumber for help. Ejection function: Our stopper sink sink 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 install: The 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 plug can be completely disassembled into 3 separate parts for cleaning!