High Quality Stainless Steel Material - Durable to Last This sink plug filter is an upgraded version after collecting customers suggestions for product improvement. The kitchen sink strainer stopper is made of high quality stainless steel - well made, will not rust and will last for a long time. Dual Function Strainer and Stopper This new sink strainer stopper can be used as both a sink stopper and a sink strainer/strainer at the same time. Press the knob down as a sink plug to fill the sink, lift gently to drain and collect any residue as a strainer. EASY TO USE Our sink plug strainer is easy to disassemble and assemble. 10 seconds is enough, follow the tutorial to unscrew the central shaft first, and then assemble the accessories together. Dimensions - The outside diameter of the kitchen sink strainer is 80mm. The rubber seal is 55mm in diameter and the bearing to rim dimension is 30mm. Fits 78.3-80mm kitchen sink holes. Note: Please make sure the diameter of your sink strainer plug is the same as ours before placing an order Color: Silver Package includes: 3 * Kitchen Sink Plug Strainer