The bathroom sink plug is suitable for 99% of the sink holes, with an inner diameter1.18 inches, and is widely used for washbasins, bathroom sink, and shower tub. It is equipped with two sizes of rubber rings (34mm and 40mm) to ensure a tight with various drainage sizes. The -up bathroom sink plug design has a -up mechanism that allows for easy opening and closing of drainage. The brass core structure ensures durability and service life, making it a reliable choice for bathroom sinks. The -up bathroom sink drainage filter is equipped with an clogging basket inside, which combines the plug and filter to store water and valuable items such as hair and jewelry rings from entering. The detachable expansion basket provides additional space to debris, making cleaning easier. Installing a universal bathroom sink filter plug is effortless. Simply the old bathroom sink plug and insert the new plug to use. When cleaning, simply it and rinse it under running water, then use a soft brush or cloth to stubborn debris. No need to Excavate hair and feces to defecate! The -up sink plug is a practical choice for any bathroom sink. Its efficient drainage and clogging capabilities, coupled with its easy to clean design, a reliable and low maintenance solution for bathroom sinks. Fits 99% of sink drain holes with an inner diameter of 1.18 inches, making it suitable for a wide range of bathroom sinks, washbasins, and shower tubs Features a pop-up design with a pop-up mechanism for easy opening and closing of the drainage Equipped with a removable clogging basket inside to store water and catch valuable items like hair and jewelry rings, preventing them from entering the drain Durable brass core structure ensures long-lasting performance and reliability for your bathroom sink Detachable expansion basket provides additional space to collect debris, making cleaning easier and more efficient