【3 in 1 Function】: Unlike other traditional drain stoppers, there is an anti-clogging basket inside the pop-up valve, which combines the stopper and strainer into one for high performance. 【High-quality materials】: The sink stopper is made of high-quality chrome-plated brass and ABS plastic, which is not easy to corrode, rust, corrode, wear and deform, and is sturdy and durable for long-term use. It is an ideal accessory for swimming pool drains. 【High-Efficiency Filtration】: No other complicated installation tools are required, just insert the drain plug into the sink and you're done. The drain plug is durable, watertight, and fits any standard sink. 【Perfect Compatibility】 The sink plug is suitable for all drain holes with an inner diameter of 34-40 mm, 100% compatible, and is widely used in sinks, sink drains, and shower trays. Please be sure to measure the drain hole of your sink before purchasing.