Function: When you fill the sink with water, the stopper can prevent water and food particles from flowing out of the drain, you can safely wash dishes in the sink, prepare food, etc. An unwanted items such as tableware or other wastes enter the disposal device, causing internal damage, and our sink stopper can prevent that from happening.Standard US size: diameter 3 3/8 inch, height 1.1 inch. Fits standard kitchen sink drains and garbage disposal with a diameter of 3.5 inches.Material and design: The sink stopper is made of durable stainless steel with a rubber seal ring around the hardware. When using the stopper, the rubber will compress slightly, making your sink tightly sealed.Easy to use and replace: no tools, just put the stopper on the drain; easy to replace the old, damaged or misplaced splash guard to prevent food and debris from splashing.Universally applicable: Suitable for, Waste King, Kitchenaid, Sinkmaster, Whirlaway, Baga, Kohler, Moen, etc.