High-quality material: finger band is made of silicone with great elasticity, safe, environmentally friendly and yet durable, the product is perfect for everyone.It is WASHABLE and can be use frequently and comfortably. Portable And Lightweight:The Finger Trainer is small enough to fit in the pocket or bag.You can take it out to exercise anytime, anywhere. Practice your fingers: there are 6 types of hand extension trainers, 6.6 lbs, 8.8 lbs, 11 lbs, 13 lbs, 17 lbs, 21 lbs, which can be combined to different resistances; with the help of the hand stretcher trainer, you can not only improve the strength of the fingers, forearms and wrists, but also the flexibility of each finger. Exercise Hand Endurance: Daily use with our finger strengthener can help restore hand injuries, relieve hand stiffness, enhance finger strength, and improve finger flexibility. Great for rock climbing, fitness enthusiasts, musicians and recovery patients. It is also suitable for people who regularly use computers and mobile phones to relieve hand fatigue and discomfort and prevent joint and muscle pain. Perfect gift: The Finger Strengthener is perfect for improving strength and flexibility in wrists, fingers and forearms. They are great gifts for climbers, tennis players, guitar, piano, drummers and musicians.