A65 High-quality Plastic Massage Balls in Assorted Sizes Massage therapy to improve dexterity skills Improves coordination and flexibility Massage points for deep muscle penetration Offers deep, sustained soft tissue massage and compression of trigger points Increases circulation Relieves tension and relaxes muscles Strengthens hands and feet Ideal for self massage of the neck, chest, arms, legs, hands and feet and for practitioner applied massage Usual size: 6.5cm, 65cm, 75cm