TheraBand tubing is made of natural rubber. Resistance levels, obtained by varying the thickness of the tubing, are color-coded in proprietary TheraBand colors increasing in difficulty through seven levels from tan through silver. The color-coding system provides positive reinforcement and feedback for gauging results.
- 10-1327 - Light (Yellow, Red, Green), Tubing
- 10-1328 - Heavy (Blue, Black), Tubing