The manual massage ball roller is made of high quality resin. The structure is strong, durable, lightweight, odorless, unbreakable, convenient and skin-friendly without worrying about injury or allergic reactions. Versatile massage ball with multidirectional movements. It can be used for recovery before and after exercise to promote relaxation, self-myofascial release, relieve muscle stress, release tight muscle knots, enhance trigger point therapy, and improve flexibility. This device is based on an ergonomic, non-slip design and controls the pressure you have to relax with one hand. You can easily perform continuous full body massage on the go. Simply press the muscles, then roll back and forth. You can press harder for a deeper massage or just slightly harder depending on how you want your massage. Compact size and easy to use. The massage ball can promote blood circulation and remove fatigue from your body. Easy to use, it can be used at home, in the office or on any type of floor, safe and comfortable. Ideal for back, neck, shoulders, arms, hands, buttocks, hips, legs and feet. May help relieve muscle tension. The massage ball was specially designed to release tense and aching muscles, reduce tension, increase blood circulation and eliminate toxins. High density material, better toughness, longer use time and less prone to damage. The massage ball is the perfect gift for your friend to relieve muscle tension points.