PERFECT COMPATIBILITY It comes with two sizes of rubber rings to ensure a snug fit in a variety of drain sizes. With an inner diameter ranging from 1.1" to 1.45", it is widely suitable for washbasins, bathroom sink drains, and shower tub drains. POP-UP BRASS CORE DESIGN -- The pop-up bathroom sink stopper is crafted with a pop-up mechanism for easy opening and closing of the drain. Its brass core construction ensures durability and longevity, making it a reliable choice for your bathroom sink. UPGRADED 2-IN-1 DESIGN -- The pop-up bathroom sink drain strainer features an anti-clogging basket inside, combining a stopper and a strainer in one. This design stores water and prevents clogging by trapping hair, debris, and valuable items like jewelry rings before they flow down the drain. The removable extended basket provides extra space to collect debris and makes cleaning even more convenient. EASY SET-UP AND CLEANING -- Installing the universal bathroom sink strainer stopper is a breeze. Simply replace the old sink plug with the new drain plug. For cleaning, effortlessly remove it and rinse under running water. Use a soft brush or cloth to eliminate any stubborn debris. Say goodbye to the hassle of digging through hair and gunk to clear your drain! PRACTICAL AND EFFICIENT -- Elevate your bathroom experience with our pop-up sink drain stopper, a practical choice for any sink. Its efficient drainage and anti-clogging capabilities ensure a smooth flow of water, while the easy-to-clean design guarantees low-maintenance upkeep. Say goodbye to clogged sinks and hello to a hassle-free solution that combines reliability with convenience.