Flexible Sink Drain Hose or Waste Pipe

Material: It's likely made of flexible PVC (polyvinyl chloride) with a metallic or chrome-like finish.

Shape: It's corrugated, giving it flexibility to fit under sinks with varying configurations.

Connections: It has two ends: one end likely fits over the sink drain, and the other connects to the waste pipe.

Purpose: It's used to connect a kitchen or bathroom sink drain to the main waste pipe.