Grip Strengthener】
The stress balls for adults hand exercise provides effective strength for your wrist, fingers; it is simple and efficient, helps to enhance grip, relieve stress and enhance endurance. Ideal for anyone who wants to exercise and keep their hands strong and healthy.
【Design】
The stress balls for adults hand exercise is sized to fit the center of the palm and most people can hold it. The blue stress ball is equipped with a finger ring, which can firmly hold the pressure ring during exercise to ensure the stability of the pressure ring.
Specifications:
Material: Silicone
Color: Blue
Packaging:
2 x hand exerciser grip strengthener