GOOD MATERIAL: Our made of stainless steel, this drain plug is rust-resistant and has a long service life. Thicker and heavier material makes this sink strainer plug more robust. EASY TO INSTALL: Press the button to fill the sink, gently lift it to drain the water and collect the residue. rubber gasket and ball bearing allow this sink strainer to be used as a drain plug; Just push down the strainer to plug the hole. GOOD DESIGN: Each sink plug has 20 holes, preventing food particles and other debris from falling out, making sinks more hygienic and less prone to blockages and clogs. SCOPE OF APPLICATION: These two drain filters can be installed in old sinks, bathtubs, washbasins and the smooth surface allows you to clean easily and conveniently. The stainless steel sink strainer is good for restaurants, caterers, food pantries, churches, cafeterias and homes. SIZE: The outer diameter of the sink strainer is 80 mm/3.1 inches, suitable for sink diameter 79 - 80 mm. Note: Data is all manual measurement, please allow 1 - 3 cm error, due to light and display difference, there will be a certain color difference, depending on the physical object received Delivery quantity: (according to the main picture)