PERFECT COMPATIBILITY: Our sink strainer can be used for 99% of sink drain holes (for most US standard sink drain 1 1/4 inch and 1 1/2 inch). Not matter basin, bathroom sink drains or shower bathtub drains, it can work with all. NOTE: Please be sure to measure the drain hole of the sink before purchase. Recommended for drain hole diameter between 1.02"-1.96" and depths over 1.67". UPGRADED DESIGN: The bathroom sink stopper is more convenient and useful than regular sink stopper. Upgraded pop-up sink drain plug has an anti-clogging basket inside that can prevent the sewer from stuck of hairs. In addition, it comes with anti-slip rubber mat and two size rubber rings to prevent water leakage. SAVED YOU MONEY: You don't need to hire a plumber mess with the under the sink basin apparatus to fix an old sink stopper. And no tools are needed, just take out the old one and insert it to complete it. Easy to install and clean. WELL MADE: The drain stopper is mainly made of quality zinc alloy materials, anti-rust, anti-cracking, integral molding. Good rebound strength, quickly seal and drain water with a single press. Quality metal construction make your old sink look better! STURDY SINK STOPPER: The rubber ring around our built-in basket keeps the stability, it will not tilt when you push the button. There is a large anti-slip pad under the bouncing core, which can match seamlessly with the sink drain hole under the action of water pressure. So you don't have to worry about sealing and drainage.