Exquisite Material: The sink stopper is made of high-quality copper, and the surface adopts a multi-layer electroplating process, which is corrosion-resistant and durable. Easy Installation: The sink stopper is exquisitely crafted, ensuring precise threads on all connecting parts. No other tools are required. Simply place the universal sink drain stopper in the sink for quick and easy installation. Stable and Firm Design: The long side rails of the sink stopper attachment can perfectly secure it in place without wobbling, and the spiral design allows for easy height adjustment, ensuring a comfortable user experience. Highly Effective Filtering: The sink stopper can effectively filter hair or other debris, allowing the debris to flow directly into the drain. At the same time, it can prevent your small items (rings, earrings, etc.) from falling into the sewer. Strong Compatibility: The 40mm sink plug is suitable for all standard sinks, such as bathroom sinks, kitchen sinks, bidets, etc., perfectly covering the entire drainage area. It is recommended to measure and confirm the size before ordering.