Product Description: Size: Pull: 7.5*4*1.3cm Color: Green, Blue, Orange Material: Silicone Package Contents: 1 Finger Training Device (6 pcs) 1. High-quality design for maximum performance: Our grip exercise rings and finger resistance bands are made of high-quality environmentally friendly silicone, which is safe and durable, washable, longer service life, and not easy to tear. It can be used frequently and feels comfortable when training your hands. 2. Fitness and sports enthusiasts: A good supplement to fitness equipment, very suitable for rheumatoid arthritis, arthritis, carpal tunnel, tendonitis, tennis elbow. 3. Rehabilitation and Prevention: When exercising or working in front of the computer, the hand muscles are accidentally pulled or sprained. Then you need this training kit to recover your hands and fingers. This training kit is very suitable for athletes such as rock climbing, fitness, tennis, baseball, boxing, tennis, golf and shooting, as well as musicians such as guitarists, bassists, pianists, violinists, etc. to improve finger and hand strength. 4. Ergonomic Design for Every Hand: The strength trainer is ergonomically designed to fit all hand sizes and ages, perfect for men, women, seniors and teenagers. They are lightweight and portable and can be put in every bag. You can get replays anytime, anywhere at home, at work, while walking, in the car or anywhere! 5. Fitness and Sports Enthusiasts: Both the finger stretcher and the wristband have 3 levels. 3 kg is suitable for rehabilitation and beginners (children, women and men), 4 kg is suitable for relaxation and computer workers (women and men), and 5 kg is suitable for grip training and athletes (men).