SUITABLE FOR 28-34mm DIAMETER DRAIN HOLEOur tub stopper can be used for 99% of standard US sink drain holes. Inner diameter 28mm-34mm. No matter basin, bathroom sink drains or shower tub drains, it can work with all of them. COPPER MATERIALThe drain plug is mainly made of copper materials of quality, real anti-rust, anti-cracking, integral molding. Good rebound resistance, quickly seal and drain water with one squeeze. UPGRADED SECURE DESIGNThe bathroom sink drain strainer is upgraded with an anti-clog basket that can prevent the sewers from getting caught in the hair and losing the precious bracelet. And the improved basket environment particle design won't hurt your hand when you take the litter out of the basket. It is safer than regular pointed drain plug. EASY TO INSTALL AND CLEAN Everyone can install the sink drain plug due to its simple structure, no tools required. is needed, just remove the old one and insert it to complete it. Manual with different sizes included. If you want to clean the bathroom sink stopper, also pull it to finish it easily. NO WATER LEAKAGEThe bathtub stoppers are made of thickened gel seal of silica, which can perfectly fit the sink drain hole under the action of water pressure, no glue needed, oxidation resistance and leakage protection. Product Specification: As shown in the picture. Product Color: Silver Shipping Quantity: 1 piece