Pop-up Design: Our pop-up sink drain strainer is made of high-quality stainless steel, plastic, and solid brass, providing exceptional rebound strength, corrosion resistance, and long-lasting durability. It features a long-lasting and sensitive pop-up brass bullet core mechanism, allowing you to easily switch between the water storage and fast drainage modes with just a gentle pressEasy to Clean: Cleaning is just as easy. The dual-layer removable basket can be easily removed by simply twisting, allowing you to thoroughly clean all components of the drain stopper. Additionally, the basket's detachable bottom design surpasses similar non-removable options, making cleaning more comprehensive and preventing the awkwardness and inconvenience of digging out items by hand. Note: To ensure compatibility, please remember to measure your bathroom sink drain opening diameter before purchasing to confirm a proper fitUpgraded 3 in 1 Design: The bathroom sink drain strainer boasts an innovative 3-in-1 design that seamlessly integrates water storage, rapid drainage, and effective filtering functions. In water storage mode, it caters to your soaking or washing needs, while the drainage mode efficiently empties the sink. The built-in basket captures small items like hair, jewelry, and debris, preventing them from clogging the drain and allowing you to recover valuable items like earrings and necklaces. This multifunctionality greatly enhances your daily convenience. Note: This stopper is NOT suitable for bathtub drainsVersatile Compatibility & Easy Installation: This bathroom sink drain stopper includes four O-rings, which are designed to fit 99% of standard US sink drains, including bathroom sinks and washbasins with drain holes measuring between 1.1" and 2.36". Please measure the sink drain hole diameter before purchasing it for a proper fit. The installation is quick and hassle-free, without the need for expensive tools or plumber fees. Simply remove your old stopper and insert the new one into the drain hole, installation only takes a few secondsInnovative Two-Layer Removable Basket: Our sink stopper features a dual-layer removable stainless steel basket designed for two usage modes. With the basket in place, it effectively filters small items to prevent blockages. When removed, the sink strainer enables swift drainage through two larger holes, promoting faster water flow and streamlining your daily tasks. Plus, the two-piece removable basket is easier to clean and maintain, ensuring better hygiene than traditional fixed-bottom baskets. Note: A blue protective film is applied to protect the surface, please remove it before use