QUALITY DESIGN: Made of high-quality silicone the Grip Strengtheners are Skin-Friendly and Comfortable also have Good Toughness Fast Power Feedback Effectively Enhance Finger Grip Achieve the best performance. FITNESS & SPORTS: Finger stretcher is especially important for sports like gymnastics fitness tennis golf baseball boxing rock climber and musicians like violin and guitar playersto relieve your finger painï¼. REHABILITATION & PREVENTION: Great for rheumatoid arthritis arthritis carpal tunnel tendonitis tennis elbow and are on the way to recover from a fractured or broken wrist or when you type text or any other activities which use your gripping muscles. ERGONOMIC DESIGN FOR ALL HANDS: Suitable for all age groups and fits well for all hand sizes different from other small finger holes bands on the market. Portable and easy to fit in bag or pocket. You can get repetitions in while driving at the office or anywhere!. QUALITY DESIGN: Made of high-quality silicone the Grip Strengtheners are Skin-Friendly and Comfortable also have Good Toughness Fast Power Feedback Effectively Enhance Finger Grip Achieve the best performance.