High Quality MaterialsOur finger trainer is made of high quality and high strength silicone material, soft but not easy to crack, safe and odorless. Hand grip strengthener finger trainer also has good flexibility and durability to resist pressure and weight. Fingers, palms and arms can be exercised to exercise the whole hand. Exercise anytime, anywhereThe small finger trainer is lightweight and easy to carry. This allows you to train anytime and anywhere, e.g. You can use it on foot, while traveling (by car, plane or bus), in the office, at school or while watching TV, or anywhere you want to exercise. You can enjoy your workout at work or in your free time. Help balance your grip muscles and your expanding muscles. 6 different resistance valuesFinger trainer is set with 6 different resistance values, you can improve your grip strength, by gradually increasing the resistant level. Its rally value is between 6.6LB/8.8LB/11LB/13LB/17LB/21LB. Perfect suit for rehabilitation and beginners, relaxation & Computer Worker, Grips Workout & Athletes. Rehabilitation and PreventionHand trainer by stretching as long as possible to improve overall grip strength, improve the forearm, hand muscle, wrist.By stretching as long as possible, it works the ring is soothing and relaxing on muscles and emotions. Finger strength trainers can also help prevent early signs of hand fatigue, arthritis, overuse and carpal tunnel. Wide Range of UsesFinger Resistance Bands is suitable for all ages and fits all hand sizes. Perfect for piano and guitar players, golfers and mountain enthusiasts who need stress relief, recovery, boxing, muscle memory, finger and grip strength. It is also suitable for people who regularly use computers and mobile phones to relieve fatigue and hand discomfort and prevent joint and muscle pain."