1.PERFECT COMPATIBILITY - The bathroom sink drain kit fits suitable for 1-1/4' or 1-1/2' drain hole. Please be sure to measure the diameter of the sink hole and drain hole before purchasing. 2.DEODORANT FUNCTION - The odor-resistant inner core was designed, and the deodorant core has automatic drainage, always closed when flexible sink drain pipe kit does not work. The deodorant plug effectively blocks reptiles and odors from entering the blocked pipe to achieve the deodorization effect. 3.[Anti-clogging] The black sink drain kit is designed with a pop up anti-clogging sink stopper, which can collect hair and prevent the drain from clogging up. 4.No Need Tools to Install:Due to simple construction of the Pop-Up Drain Stopper Kit, anyone can install this sink pop-up drain by hands. Remove the old bathroom sink drain and follow the installation instructions, only need 2 or 3 minutes can finish the installation. 5.NO WATER LEAKAGE - The universal bathroom sink drain pipe assembly has a thickened, silica-gel gasket ( At the junction of the drain plug and the drainer ). Please ensure the gaskets are in the correct position to avoid leakage 6.High-Quality Materials:The pop-up drain kit is made of anti-explosion-thickened stainless steel and high-quality ABS. upgraded design with integrally molded, which is combined with the pop-up sink drain and expandable flexible drain pipe tube. Take a look at your bathroom sink drain! Say goodbye to your old leaks and clogging and ugly sinks. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.