Welcome to the store! DUAL FUNCTION - This sink strainer can be used as both a sink plug and a filter. When used as a strainer, the 20 drainage holes allow water to flow quickly and easily catch food debris, protecting your pipes from unwanted food buildup and maintaining good pipe health. When used as a plug, it retains water in the sink. You just need to push the button to fill the sink and lift it slightly to drain the water and collect all the residue. SMOOTH DESIGN - The sink stoppers are all edge-rolled, with no sharp edges, protecting your family from harm. They are also not easy to rust when used in hot water. The sink strainer is 80mm in diameter, suitable for 79.3~80mm diameter sink drain openings. NOTE: please make sure it is the correct size before purchasing. UPGRADED MATERIAL - This kitchen drain plug is made of high-quality 304 stainless steel, copper, and rubber, rust and corrosion resistance, well-made and durable. We have also increased the thickness of the sink strainer, so it is more robust and durable. EASY TO CLEAN - The drain strainer is suitable for drains and waste disposals in the kitchen, washbasin, laundry room, and workshop sinks, easy to install and easy to remove and clean. Can be reused after cleaning. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!