Humanized Design: Small and lightweight, easy to hold and control, ideal for exercising hand muscles, finger and wrist strengthElastic and : The finger exerciser is made of high-quality silicone, soft and , sturdy and durable, with good elasticity and flexibility, not easy to or fade, suitable for most people, you can use it in different for hand , Relieves wrist and finger fatigueThe silicone grip strength trainer provides you with 6 levels of resistance bands, you can the appropriate level according to your grip strength, or you can increase it gradually Resistance levels to grip strength for different of finger exerciseWide range of users: Hand strengthening relief are suitable for people of different ages, suitable for rock climbers, tennis players, golf players, baseball players, guitarists, pianists, drummers, etc., help people exercise hand muscles and relieve hand pain Reduces internal stress fatigue and enhances finger dexterityEASY TO OPERATE: The hand strengthener is easy to use for both beginners and experienced people. All you need to do is put the bracelet on your wrist, insert your finger into the ring, and exercising. It's time-saving and convenient, you can exercise , office or gym.Material: silica gelcolour: blackPackage Contents:2 x finger trainer1 x hand strapOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.