Type 10: Purple / 2 pieces Suction type massage balls to loosen stiff muscles. Balls with suction cups for body care. Washable. Suitable for shoulder blades, shoulders, neck, back, waist, calves, feet, soles of feet, and whole body care. Refreshing and ideal for use in the bathtub during bath time. Easy to use, provides acupressure and trigger point therapy. Myofascial release. Free shipping. ‐ Mercari: Shop from Japan