describe Product Material -- Made of high-quality 304 stainless steel, anti-rust and corrosion-resistant, thicker and more durable. Design -- The strainer cover has an outer diameter of 80mm and is designed in a smooth shape with drip holes to drain water quickly and filter waste effectively. Sealing - The rubber sealing ring is soft, durable and not easily deformed; under the rubber sealing ring, an extra stainless steel gasket is added to ensure that our filter cap has better water storage performance. EASY TO USE -- The filter drain plug is easy to install and handle the edge of the roller, not easy to cut your hands. Easy to remove and clean. Application -- Suitable for most sinks. Simply put the sink strainer into your stopper hole, this will prevent waste and hair from falling out of the stopper hole, preventing drain clogging and unpleasant odors from forming. Ideal for kitchens and bathrooms.