COMPATIBILITY: This bathroom sink drain kit features durable stainless steel and flexible drainage pipes. It fits container sink openings with an inner diameter of 3.5-5.6 cm and is ideal for PVC drainage pipes with an inner diameter of 3-4.5 cm. Be sure to measure your drainage hole before purchasing for an effortless match. Upgrade your sink with this versatile and easy-to-install solution!ANTI-CLOGGING & ANTI-ODOR DESIGN: Say goodbye to clogs and unpleasant odors! Our sink trap kit includes a pop-up anti-clogging stopper that captures hair and debris, preventing blockages. The odor-resistant inner core and deodorant plug keep foul smells at bay by ensuring automatic drainage and preventing backflow. Enjoy a fresher, cleaner bathroom with this innovative design.TOOL-FREE INSTALLATION: Simplify your bathroom upgrades with our tool-free drain kit installation. Thanks to the easy construction and thickened, extended nut design, you can set it up with just your hands. Perfect for wall drainage pipes, this kit installs without the need for cutting. Experience the convenience and superior performance over traditional multi-segment P-shaped traps.NO WATER LEAKAGE: Ensure a watertight installation every time with our drain assembly's thickened silica-gel gasket. Positioned at the junction of the drain plug and drainer, this gasket prevents leaks. Follow the included video instructions for a hassle-free, leak-proof setup. Invest in long-lasting quality and keep your bathroom dry and worry-free.HIGH-QUALITY MATERIALS: Built to last, this pop-up drain kit features anti-explosion-thickened stainless steel and premium ABS materials. With its new, integrally molded design, it combines a pop-up sink drain with an expandable, flexible drain pipe tube. Revitalize your bathroom sink, eliminate leaks, and prevent clogs. Make the smart switch today and enjoy improved functionality and style.