Hand Exercise Ball Specifications:A hand strengthener ball designed to activate different points in hand.Material: Quality TPR (Thermoplastic rubber material)lightweight durable and safe. Wash with warm soapy water to clean good toughness and durable.Size: 5cm / 2inchParticle surface increase the agility of fingers and accelerate blood circulation.Squeeze roll or press the ball to relieve tension and reduce stress.Perfectly sized to comfortablely fit in any adult hand.String finger design——Most users are inflexible fingers and the string finger design is effective to prevent the ball from slipping.Human body design——The shape of the ellipse matches the length of the fingers and fingers. The five fingers can be trained at the same time and the effect is better.Breathable is not stuffy——The raised bump can effectively reduce the skins contact with the sphere the middle is ventilated and the palm does not produce sultry heat.Helps Relieve pain ——This finger grip strength exerciser ball can promote your blood circulationit’s a great hand exerciser for musicians golfers computer workers tennis players baseball players rock climbers weight lifters or if you drive text or type Try our finger exerciser.perfect for stress reliefreduce pressure and anxiety.Grip and finger strengthening exercises——The hand grip strengthener trainer is great for physical therapyoccupational therapystress reductioncarpal tunnel surgery a stroke carpal tunnel syndrome (CTS) anxiety and golfers elbow ALS trigger thumb .You can do some targete exercise with the hand strengthener for handsfingerswristis and forearmsincrease stength and mobility coordination dexterityreduce pain and stiffness.Great gift for the elderly and your family.Package:1 x Exerciser Ball1 x Finger Exerciser