The TT-FLEX Upgrade Kit includes four stronger bands to enhance your workout with the TT-FLEX (sold separately). The original TT-FLEX includes one beginner band. Once you have mastered the TT-FLEX, it is time to challenge yourself with more resistance.
The TT-FLEX Upgrade Kit includes:
* Intermediate Band
* Intermediate/Advanced Band
* Advanced Band
* Professional Band
* Instructions
CLICK to view Original TT-FLEX
