TheraBand Exercise Station, Accessory, Red (light) Tubing with Connectors, 12", LatexExercise Resistance Tubing is the best fitness accessory that you're probably not using. Yet. Lightweight and versatile, resistance tubing is ideal to help build strength, improve mobility and increase flexibility. Designed as an accessory to the TheraBand Exercise Station, this pair of tubes feature Clip Connectors at each end which allow the tubes to be quickly, safely and easily attached, and later detached, from any of the station's anchors.