2-in-1 Function- Sink drain plug or strainer? You need everything. Bathroom sink drain strainer unlike other traditional bathroom drain stopper, pop up sink drain stopper have a clog-proof basket inside that combines a drain stopper and a strainer in one, what an expensive achievement! Premium Quality Material- Universal bathroom drain stopper is mainly made of high quality ABS and thickened copper materials, with shiny metal surface, drain stopper bathroom sink the brass core construction ensures durability and longevity, it is rustproof, reliable and durable, makes it a reliable choice for your bathroom sink. Effective Filtering- The sink stopper bathroom drain with an anti-blocking basket strainer inside, get rid of the annoying tools for cleaning clogged pipes! The bathroom sink strainer can effectively catch the hair and at the same time allow it to drain quickly. Don't worry about clogging problems, which achieves effective filtration unlike the normal push-button drain. Easy to Install- Installing a universal bathroom sink filter plug is effortless. Simply the old bathroom sink plug out 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. Perfect Compatibility- The bathroom sink plug is suitable for 99% of the sink holes(please refer to the picture size), and is widely used for washbasins, bathroom sink , and shower tub . It is equipped with two sizes of rubber rings (34mm/1.34in and 40mm/1.57) to ensure a tight with various drainage sizes.