High-Quality Material Our Finger Stretcher is made of high-quality silicone material, which is safe and durable, not easy to tear, and can be used for a long time. Finger band is made of silicon with great elasticity , safe, environmentally friendly and still durable the product perfect for anyone! PORTABLE & LIGHTWEIGHT Our finger strengthener has a small size and modern looking. Compact design allow you easy storage in the pocket or your handbag, easy to use for anyone and anywhere. 6 Resistant Levels to Choose from Silicone Guitar Finger Exerciser provides you with 6 levels of resistant levels, including 6.6LB, 8.8LB, 11LB, 13LB, 17LB, and 21LB. You can choose the appropriate level according to your grip strength. Exercise your fingers With the help of a finger trainer, you can easily improve the strength of your fingers, forearms and wrists; You can also train the flexibility of each finger in isolation, either way PERFECT GIFT The hand strengthener set is perfect for improving power and flexibility in the wrists, fingers, and forearms. They are the great gifts for rock climbers, tennis players, guitar, piano, drummers and musicians.