Hand Exercise: This hand exercise ball is ideal for training the flexibility of fingers to resist stiffness and for rehabilitation training, exercise hand muscles and enhance hand strength
Five Colors are Available: This hand stress balls are available in five different colors, their hardness is slightly different from each other, specifically, they will harden in this color sequence: yellow, orange, red, blue, green
Comfortable Touch: This hand sports ball uses high-quality materials and a textured surface, and gives a fantastic comfortable touch
Easy to Carry: The body of the hand grip ball is small and light, easy to carry, and relax anytime, anywhere
Wide Range of Applications: This hand sports balls are suitable for people such as rock climbing, bodybuilding, computer workers, badminton and table tennis enthusiasts