HIGH QUALITY: The sink plug pop-up replacement plug has a chrome-plated finish that prevents scratches, corrosion and rust, resists cracking, is durable and reusable. Silicone helps store water and prevent leaks. Can be used between -5C and 100C. SOLID TO USE: The 40mm bathroom sink plug has a sturdy rubber ring and four side wings that can be securely fastened with nuts to keep it perfectly in place with no wobble. Height Adjustable: The adjustable pop-up drain plug can be adjusted in height between 7 and 8.7 cm. You can adjust the height of the drain plug according to your sink. EASY INSTALLATION: No tools are needed, just insert the plug into the sink drain for successful installation and protect the drain from hair, lint and food clogging. EXQUISITE APPEARANCE: The exquisite mirror finish provides a comfortable touch with an extremely smooth surface and the chrome-plated lid will last like new. Material: Brass and plastic. Surface treatment: chrome plated. Size: As picture shows.