[High Quality Materials]Excellent steel springs, elasticity and durability; the set is made of ABS + silicone material, which has a long service life; the bottom and top have silicone pads, which have good grip, smooth hands and do not hurt, and non-slip is more durable. [Exercise your finger strength and flexibility]the finger trainer fingers is comfortable, close to the palm and exercises the flexibility and strength of your fingers in all aspects. Suitable for daily finger strength training. [Unique structure]Spring structure and high flexibility are very suitable for finger training. The buttons are flexible, and each button is flexible, not loose and durable. [Easy to carry]Extremely portable design, you can put the practice finger in your suitcase and bag, and it is also very convenient to carry when you go out, allowing you to perform finger strength training anytime, anywhere. [The ideal finger strength training device]For instruments such as guitars and pianos, you can practice the tension, grip and strength of these finger trainers. The finger trainer is a good device for pre-show or warm-up exercises.