KLOUD City Blue Diameter 2.75 Inch and 4.25 Inch Silicon Drain Strainer, Drain Protector, Drain Cover for Kitchen and Bathroom 2pcs different size drain protector, one diameter is 2.75inch and the other is 4.25inch It helps to prevents hair and kitchen food waste from entering your drain and instead it stays on this catcher which you can easily pick and remove the junk and throw off. Can be used for kitchen sink, washbasin or shower bathroom.