[g. Recommended Set 3]
[e. Recommended set 1]
[f. Recommended Set 2]
[d. Green (Challenge) & Strength (Weak) | Circumference 23.6 inches (60 cm)]
[b. Purple (Standard) & Strength (Medium) | Circumference 27.6 inches (70 cm)]
[a. Pink (fitness)]
[c. Blue (asite) & Strength (strong) | Circumference 27.6 inches (70 cm)]
3 different strengths for core training.
For core, axis foundation, and even stronger core. Also effective for rehabilitation, shaping up, and preventing locomo and metabolism.
Includes a training instruction manual from Katsuki Kiba.