▶Premium Quality◀ This stress ball adopts high quality material and textured surface, and gives a fantastic and comfortable touch feeling.
▶Relief Function◀ Squeeze, roll or press the ball to relieve tension and reduce stress. Perfect for training flexibility of fingers against stiffness and doing rehabilitation training, exercising hand muscle and enhancing hand strength.
▶Portable to Carry◀ Due to its small body and light weight, convenient to carry and you can relax your hand anywhere, anytime.
▶Suitable For◀ Suitable for those people, who are rock-climbers, body-builders, computer-workers, badminton and ping-pong lovers, etc.
▶Color Optional◀ Provide you five different colors optional, and their hardness are slightly different from each other, specifically, they become harder in this color order: Yellow-15, Orange-20, Red-25, Blue-30, Green-35.
