Easy to Install & Maintenance: Tool-free Installation. You just take out the old bounce core and install a new bounce core. Structured with a thickened silicone rings gasket, prevent the odor from sewer,so you can enjoy the fresh air at home. Filter basket can be quickly removed and cleaned, preventing clogs and ensuring optimal drain performanceUpgraded 3 in 1 Bathroom Sink Stopper: One unit, triple functions. This 3-in-1 bathroom sink drain filter innovatively merges water storage, quick drainage, and efficient filtrationUniversal Bathroom Drain Filter: This bathroom sink drain filter is designed to fit 99% of standard US sink drains and includes 4 O-ring rubber seals to ensure a tight fit with various drain sizes. It accommodates drain openings with inner diameters ranging from 1.1 to 2.36 inches (28-60mm). Please measure your drain opening diameter before purchase to ensure proper fitFast Drainage and Efficient Filtration: Quickly seal and drain water with a single press, very convenient and fast. The sink plug with an anti-clog basket filter effectively captures small items like hair, jewelry, and other debris, preventing them from entering the drain and causing blockages. Suitable for washbasins,vanity,bathtub,bathroom and kitchen sink, and so onPremium Material: The bathroom sink stoppers are made of crack-proof thickened high-quality stainless steel and brass materials to ensure corrosion resistance and long-lasting durability, with a flat and comfortable surface and a sturdy structure that can be used for a long time without cracking and leaking