Hand Grip Strengthener, Finger Exerciser, Grip Strength Trainer, Green 30lbs Product material: silicone Product size: 7X3.5 x 1.8cm Product weight: 50g 1. HIGH QUALITY DESIGN FOR MAXIMUM PERFORMANCE: Our grip practice rings and finger resistance bands are made of high quality eco-friendly silicone, safe and durable, washable and longer, not easy to tear. It can be used regularly and feels comfortable when exercising your hands. 2. Fitness and exercise lovers: Good fitness equipment supplement, great for rheumatoid arthritis, arthritis, carpal tunnel, tendonitis, tennis elbow and this hand extensor is a great stress relief toy. 3. Rehabilitation and Prevention: If you are healthy or working with a computer, the muscles in your hand can be accidentally stretched or sprained. Then you need this exercise kit to restore your hands and fingers. This workout kit is ideal for improving finger and hand strength for athletes such as rock climbers, fitness, tennis, baseball, boxing, tennis, golf, and shooting, as well as musicians such as guitarists, bass players, pianists, violinists, and more. 4. Ergonomic Design for All Hands: The strength trainer is ergonomically shaped to fit all hand shapes and all ages, ideal for men, women, seniors and teenagers. Lightweight and lightweight, it can fit in any bag or bag. You can repeat at home, at work, while walking, in the car or anywhere Note: Manual measurement, there may be 1-2cm/1-3g error, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture. Delivery Quantity: 1