material and sealing Solid brass construction with chrome plating for corrosion and rust resistance. Double sealing washers made from quality silicone that are soft, durable, and provide a strong seal to prevent leaks. Smooth POP UP operation Solid brass popup core delivers reliable bounce and rebound strength. The basin waste can be opened or closed instantly by simply pressing. Overflow protection design Clickclack sprung plug with overflow helps prevent overfilling. A practical household helper that enhances basin safety and reliability. Easy installation Slotted sprung basin waste can be installed in a few steps without tools or instructions due to its simple, practical structure. Designed to match and fit most bathroom and commercial vessel sinks. Use scenarios Replacing worn or inefficient stoppers in home bathrooms with vessel sinks to restore quick and easy waste operation. Installing in hotel guest bathrooms or office restrooms where tool, fast installation and reliable overflow protection are valued. Using in commercial vessel sinks in clinics, restaurants, or retail environments that require durable, corrosionresistant components and low maintenance.