Strong universal adaptability: Two universal sink and bathroom washbasin plugs with a diameter of 40 mm can fit a variety of washbasins and bidets, having a wide range of applications. Height adjustable design: The height can be adjusted, and it can be flexibly adjusted according to the depth of different appliances to ensure a good sealing effect and effectively prevent water leakage. High-quality stainless steel material: Made of stainless steel, it is corrosion-resistant, rust-proof, and has strong resistance to limescale, maintaining good performance even after long-term use. Easy to install and use: The installation is simple and convenient. Without the need for professional tools, it can be easily installed on washbasins or bidets, being convenient and efficient to use. Double leakage prevention guarantee: It can not only fit the appliance tightly, but the height adjustment function can further enhance the sealing, providing a double guarantee to prevent water from flowing out of the gaps.