Features1Available Anywhere: You can take it with you and enjoy the comfort of massage at any time in the office, at home, or when you are out. 2High Elasticity: High elasticity massage ball, made of rubber material, moderate hardness, massage more comfortable and relieve fatigue. 3Ergonomics: Arc design conforms to the shape of the human spine, which is more stable, it can massages the spine and other difficult to reach parts. 4Massage the Muscles: This muscles massager can soothe nervous nerves, promote blood circulation, and massage the whole body. 5Easy to Clean: It can be washed directly with water, it can be used for a long time as new, and it can be in direct contact with the body, making it more hygienic.SpecificationItem Type: Massage BallMaterial: RubberResilience: Free fall to the tile surface at a height of 180cm /5.9ft and rebound about 120cm / 3.93ftApplicable Situations: Muscle relaxation, muscle damage repair, fitness, Pilates, yoga, initial speed response training.Function and Effect: This massager can massage all parts of the whole body during stressful work and study, and at the same time, the hands holding the massager can get proper exercise. Use it to soothe tense nerves, promote blood circulation, let you easily enjoy the comfort of massage and relieve fatigue.Applicable Parts: Neck, Back, Legs, FeetPackage List1 x Massage Ball