Relieve stress and anxiety: With the help of anti-stress ball, you can improve the blood circulation and blood circulation of your hands through simple hand movements, improve your focus, greatly reduce your daily stress and anxiety and provide you with an extremely pleasant tactile experience. Rehabilitation and prevention: kneading ball for hand therapy not only improves your grip and your hand, finger and arm strength, but also helps you recover from arthritis, carpal tunnel, tendonitis and post-operative tendon injuries. Perfect for use at home, in the office, on the go. Three intensity levels: this package contains anti-stress ball in 3 different colours, 3 different intensity levels, the resistance levels of yellow, green and blue anti-stress ball are 15 kg, 20 kg or 30 kg. You can choose from stress balls with different resistance levels according to your needs to build your hand strength. Unique shape: the egg-shaped hand massage ball sits comfortably in the hand, looks attractive, is small and portable. You can put it in and take it out anytime and anywhere to train hand strength and decompression. Suitable for everyone: the hand massage ball is suitable for elderly, children and adult men and women with different hand types, undoubtedly the best choice for athletes (climbing, tennis, baseball tennis, golf, shooting), musicians (guitar, piano, violin), fitness trainer.