Universal Design: Bathroom sink drain kit fits sink hole diameter 1-1/2" (1.45 inch) Easy to Install & Space Save: Flexible & Expandable flexible drain pipe made install easy, no any tool is needed, and you can make the shape to whatever you want to save space. Anti-clogging and Anti-odor design : The sink trap kit designed with a up anti-clogging stopper, which can collect hair and prevent the drain from clogging up. And a component to prevent water from flowing back is also include, to prevent bad smell and water back. Material Safe flex-drain: The drain stopper of the trap kit is made of brass and 304 grade stainless steel, anti-clogging, anti-broken, anti-rusting, the rv sink drain pipe is made of ABS, which is stable and resilient, it can bend into any shape. Anti-Leaking: bathroom sink kit is designed with silica-gel gasket and no redundant connector, can prevent water from leaking. Size: 42-95cm / 16.5-37.4in Packing list: 1 * Sink drain