- High quality materials: This bathroom drain stopper is made of brass and stainless steel for durability and rust resistance. A non-slip silicone seal ring provides a tight air seal, fitting the sink drain hole under water pressure to effectively prevent water leakage. - Superior compatibility: Fits 99% of sink drain holes with a diameter of 1.18 to 1.7 inches. Suitable for sinks, sink drains, and shower tray drains. Note: please measure your drain before purchasing. - 2-in-1 design for easy maintenance: The pop-up drain filter includes an internal basket, combining a drain plug and a sieve in one. It retains water while trapping hair, dirt and small items like rings before they enter the drain, making cleaning more convenient. - Simple installation and cleaning: This universal bathroom sink drain plug is easy to install. Simply remove the old drain and insert this plug. Cleaning is quick and easy—remove the filter basket and rinse under running water. - Practical use scenarios: - In a bathroom sink to prevent hair and debris from causing clogs while allowing normal drainage. - In a shower tray drain to trap hair and grime, reducing blockages and making maintenance easier. - In other standard sink drains where a reliable seal and debris filtration are needed.