【High Quality】The star grip ball is made of high-quality TPR, soft and comfortable. Safe, tasteless, wear-resistant and durable, not easy to deform. The greater the pressure, the greater the elasticity. Easy to clean, reusable and store.【Ergonomic】The unique five-star shaped grip ball conforms to the ergonomic design, the shape fits the whole palm, allows five fingers to move at the same time, and the force is uniform, helps to distract the palm of the hand during training.【Restore Strength And Dexterity】By squeezing the grip ball, the strength of fingers, hands, wrists and forearms is enhanced, and the flexibility of fingers is improved, so as to make muscles stronger and better help alleviate stiff hands.【Perfect For】The grip strength trainer provides different levels of resistance for different people and purposes. It is very suitable for rock climbing, table tennis, weightlifting, yoga and other sports lovers to increase grip strength.OverviewFeature:1. TPRmaterial, large elasticity, durable and no deformation.2. Star shape design, ergonomic design, easy to use.3. It is used to enhance hand strength, exercise finger flexibility, alleviate hand fatigue, etc4. Suitable for teenagers, adults, athletes, musicians, yoga lovers and others to carry out hand training.Specification:Material: TPRSize: 6.5*2.6cm / 2.56*1.02inchColor: Yellow(15kg), Pink(25kg), Blue(30kg)Warm tip:1. Actual color may be slightly different from the image due to different monitor and light effect.2. Please allow deviation due to manual measurement.