SIZE: The sink basket is 79mm diameter, the plug is 7mm diameter. fit for 79.3~80mm in diameter sink drain opening. NOTE: please make sure is the right size before purchasing. THICKENED DESIGN: Made of premium SUS304 stainless steel, we also increased the thickness of the sink strainer plug, so it's more sturdy and durable. DUAL FUNCTION: When working as a strainer, the 20 drain holes allow water flow quickly and catch food particles easily, protect your piping from unwanted accumulation of food waste and maintains good plumbing health; When working as a plug, it will hold water in the sink. You just need to press the knob dwon to fill sink, and lift it slightly to drain the water. EASY TO CLEAN: Easy to clean, you only need to rinse it with water after emptying the waste and it will remain the same as a new one.