Premium and Solid Construction: Made of high quality plastic, durable, long term use, not easy to crack. Flexible and scalable corrugated design that can be adjusted to different shapes Correcting misalignment or other plumbing issues: Adjustable bathroom sink drain extender to resolve misalignment or other difficult plumbing problems Flexible and adjustable corrugated design: Flexible bellows can be easily extended and bent into "U", "S" or other shapes, with a maximum extension of 42" (1067 mm ), 17" (432mm) long Deodorant Design: Special visible check valve with 3-piece magnet, always closed when not working. Black rubber gasket creates a good seal at the joint and helps seal in odors Quick drain and good connection: Bellows measure 1.6" (40mm) in diameter, large enough to fit drain quickly, not easy to clog, and connects tightly to the sink drain with a non-leaking rubber connection