[ERGONOMIC DESIGN] - Ergonomically designed, the product has adjustable wrist straps and finger holes made of high-strength alloy that fits your wrists and fingers perfectly, to provide you with better support and to help you train better. [QUALITY MATERIALS] - Made of high quality and highly elastic silicone, the finger stretchers provide you with long-lasting service. The inner skin-friendly nylon strap helps you avoid wear and tear during training and ensures a comfortable fit. [REHABILITATION EXERCISES] - This product is perfect for improving finger strength, speed and flexibility. It can even be used for rehabilitation training for arthritis and tendonitis patients. It can help reduce joint pain, stiffness and everyday stress. [EASY TO CARRY] - The finger expander exerciser is very portable, which allows you to take them anywhere you want. Whether you are in the gym, playground, home, office, classroom or anywhere else, it is a great choice for your finger exercises. [VERSATILE APPLICATIONS] - The band size is 35.5cm. Perfect for athletes, musicians, rock climbers, tennis players, golf players, boxers, drummers, guitarists, pianists and more.