2 in 1 bathtub stopper and filter, washable, can prevent hair and valuables from leaking into the bathtub and avoid unnecessary blockage. High quality material: made of stainless steel high quality + integrally cast brass and seamless, rust and corrosion resistant, durable and can be reused for a long time. Easy to install: Anyone can install a pop-up drain because of its simple construction, no tools required, the thickened and elongated nut allows it to be mounted by bare hands. Powerful functions: the basket can block dust, prevent hair blockage, and can effectively block and protect valuables from loss. Comfortable pressure switch, without clogging drainage. Size: It features two rebound cores, the closed height is 50mm, the lid width is 35mm, and the strainer basket diameter is 31.5mm. (Please measure the diameter of the sink before purchasing!!!)Features: This drain cover can prevent the sewer from getting stuck, can prevent the smell from forming in the sewer, so that you can enjoy the fresh air at home. Water leakage prevention: sink water filter Water leakage prevention design The silicone gasket at double seal has watertight, wear resistant, ozone and chemical resistant properties. Sink drain strainers fit all standard bathroom sinks with a 1-1/2" to 1-3/4" (1.45 to 1.96 inch) drain hole Specifications: Product name: Sink Drain Strainers Material: Stainless Steel + Brass Size: As Picture Show Precautions: There may be some deviation due to manual measurement, please prevail in kind.