[2 x Sink Strainers]: Made of good quality stainless steel with rubber gasket, thick, strong and durable, not easily deformed, providing long service life. [Sink Stopper- Size]: the outer diameter of the sink strainer is 80mm, suitable for sink diameter 79.3 - 82mm, please check the dimensions before purchasing. [Filter a kitchen sink-Easy to Use]: Rubber gasket and ball bearing allow this sink strainer to be used as a drain plug; Just push the strainer down to plug the hole. [Filter Waste Effectively]: Each sink stopper has 18 holes, so can effectively filter waste, but leak waste water and keep your sink free of blockages. [Wide Range of Use]: These two drain filters can be installed in old sinks, bathtubs, basins, and the smooth surface allows you to clean easily and conveniently.