Bathroom Sink Drain Kit, with Flexible Expandable P-Trap Sink Drain Pipe, Fits 1

Bathroom Sink Drain Kit, with Flexible Expandable P-Trap Sink Drain Pipe, Fits 1-1/4″,1-1/2″ and 2″ Drain Hole, Built-in Anti-Clogging Stopper, Anti-Odor Without Overflow. The built-in odor proof core of the bathroom sink drain can prevent sewage and odor from flowing back, and the pipeline is equipped with a sealing plug to prevent pests from entering.