Feature:1. Better Training: Through simple pressing and pulling, you can fully stretch 2 fingers at one time, and use in turn to exercise all your fingers.2. Good Rebounding: Spring design ensures quick rebounding, this finger trainer enables repeated training in a short time, excellent in effects.3. Great Materials: Combining spring steel and silicone materials, the hand strengthener is very comfortable to grip, also durable for long using.4. Simple Carrying: Comes with a light weight and a compact size as well, this hand exerciser is very convenient to carry for indoor and outdoor.5. Premium Present: You can give this finger hand grip trainer to your family and friends as a present for Christmas, birthday and so on.Specification:Item Type: Finger TrainerMaterial: Spring steel, silicone. Product Use: For finger strength training. .Package List:1 xFinger Trainer