【Universal and standard size】The bathroom sink drain can be widely used in under sink installation for any bathroom vessel sink with overflow or no overflow, fits US standard sink drain hole diameter of 1-1/2". P-Trap Fits 1 1/4'' to 1 1/2" wall drain Inlets. 【Premium Stainless Steel & PP】The pop-up drain of the snappy trap kit is made of heavy duty stainless steel, anti-clogging, anti-broken and anti-rusting, the expandable flexible drain pipe is made of professional polypropylene, corrosion and high temperature resistant, resilient Material can be bent into any shape. 【Easy to Install & Space Saving】The bathroom sink drain kit comes with all parts needed to install, includes flexible p trap, flange, pop up anti-clogging stopper, gaskets and silicone seals. More convenient design with integrally molded, no tools required. 【Anti-clogging and Anti-odor】The sink trap kit has a pop up anti-clogging stopper, which can collect hair and prevent the drain from clogging up. A anti-odor core is designed to prevent water from flowing back, blocking the odor and deodorizing effectively. 【No Water Leakage】 The bathroom sink drain kit comes with silica-gel gaskets to prevent leakage, precisely fitting seals also enhance the tightness of pipe connections.