Balance ball, yoga ball, yoga, set of 2, chair, 55cm diameter, gym ball, fitness ball, with air pump, core training, exercise, home training, muscle training, diet, posture, lower back pain relief, inner muscle, anti-slip ‐ Mercari: Shop from Japan

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Balance ball, yoga ball, yoga, set of 2, chair, 55cm diameter, gym ball, fitness ball, with air pump, core training, exercise, home training, muscle training, diet, posture, lower back pain relief, inner muscle, anti-slip ‐ Mercari: Shop from Japan