【Universal Size】This drain stopper fits various types of pop-up filter basket drains. Suitable for drain holes with an inner diameter of 32 mm to 42 mm (1.26-1.65 inches). Note: Please measure the size of the drain hole before purchasing to avoid the product not fitting the drain hole.【Stainless Steel Material】The drain stopper is mainly made of high-quality 304 stainless steel and thick copper material, which is strong, rust-proof, tear-resistant, one-piece molded, quick-draining, and quickly waterproof.【Built-in Filter】This drain stopper has a non-clogging filter that easily filters out hair accessories, rings, dirt, and more. Prevents drain clogging.【POP-UP FUNCTION】Our drain stoppers are made of a solid brass spring core, which has good anti-rebound and rebound capabilities. The flush plug can be closed and opened in one second! No more clogs and leaks!【EASY TO CLEAN AND INSTALL】The drain stopper can quickly and easily remove the old bouncing core and install the new one without tools, the entire metal drain stopper can be completely disassembled into 3 separate parts for cleaning!