Material: silica gel, alloy, cloth. Finger yoga is a rehabilitation tool that trains the fingers to separate and stretch to keep the hands in normal position. Can exercise the finger, the wrist sends strength. Used for hand injury, wrist injury caused by hand rehabilitation training. And adult hand strength exercises. 10lbs : Training of finger flexion and extension and abduction at the initial stage of rehabilitation20lbs: For use in the early and middle stages of rehabilitation. 40 LBS. : For use during and after rehabilitation or for women's exercise.60lbs: Men's fitness.75 lbs: Great strength for men's fitness High elastic silica gel finger cap, high elastic silica gel finger cap, flexible and easy to break.Nylon cotton adhesive tape, nylon cotton adhesive tape, bonding tightly do not fall off. Note: it is best to carry out upper arm strength training before use, step by step, 10-30 next group, 3-8 group once, 2-4 times a day. The rest interval between each group should not exceed 60 seconds, and training once every other day.