Rubber Imported DUAL-PURPOSE DRAIN STOP & HAIR CATCHER: Press Flex's center button to allow water flow and use as a hair catcher, push the upturned edges to snap the valve shut and use as a drain stopper SAY GOODBYE TO THAT CRUMBLING, OLD TUB STOPPER: Made of a flexible, durable and water-resistant silicone material, Flex has a sleek and durable design and will not rust EASY TO SET UP & MAINTAIN: Flex is effortless to install in any bathtub; simply place over your bathtub's drain and you are set; fits most standard tub and shower drains; simply wipe or rinse with mild soap to clean COMPACT: This high-functioning bathtub drain measures 3 inches in diameter by 1 inch high MODERN ORIGINAL DESIGN FOR EVERY HOME: From reimagining the functionality of home essentials to creating innovative new decor, Umbra products add personality to your home. Don’t settle for copy-cat products. Choose Umbra and get the original.