Perfect Compatibility - The bathroom sink drain kit fits 1-1/4" or 1-1/2" drain holes. Be sure to measure the diameter of the sink hole and drain hole before purchasing. Premium Material - The universal bathroom sink drain pipe kit is made of stainless steel + PP + ABS, which prevents corrosion and rust, it is extremely strong, durable, crack-resistant and effectively prevents water leakage. Deodorant Function - The odor-resistant inner core has been designed, and the deodorant core has automatic drainage, always closed when the flexible drain pipe kit is not in use. The deodorant plug effectively prevents reptiles and odors from entering the clogged pipe to achieve a deodorizing effect. Tool-Free Installation - No tools are needed to install the bathroom drain kit. Due to its simple design, the thick and extended nut allows anyone to install the drain pipe with their bare hands. NO WATER LEAKAGE - The universal bathroom sink drain plug has a thickened silicone gel gasket (at the joint between the drain plug and the drain pipe). Make sure the gaskets are in the right place to avoid leakage.