Relieve Stress and AnxietyWith the help of stress balls, you can improve blood flow and circulation in your hands with simple hand movements, improve your concentration, greatly reduce your stress and your daily anxiety and bring you an extremely pleasant touch experience. Rehabilitation and PreventionStress balls not only improve your grip and the strength of your hands, fingers and arms, but also help you recover from arthritis, carpal tunnel, tendinitis and post-operative injuries tendons. Perfect for use at home, in the office, on the go. Three levels of intensityThis package contains 3 different colors of hand balls, 3 different intensity levels, the resistance levels of yellow, green and blue hand balls are 15 kg, 20 kg, 30 kg respectively, you can choose from hand balls with different levels of resistance according to your needs to develop your hand strength. Unique ShapeThe egg-shaped decompression stress ball is comfortable in hand, attractive in appearance, small in size and portable, you can put it in your bag and take it out anytime and anywhere for help you exercise hand strength and decompression. Suitable for everyoneThe stress ball is suitable for the elderly, children and adult men and women of different types of hands, definitely the best choice for athletes (climbing, tennis, baseball, tennis, golf , shooting), musicians (guitar, piano, violin), physical trainers.