Professionals Recommended: Hand Yoga Is Being Used Many International Professionals In Various Fields Such As Musicians, Physical Therapist, Doctors, And Technicians For Their Healthy Hand And Finger. High Grade Material: Finger Band Is Made Of Silicon With Great Elasticity And High Grade Neoprene And Strap Make The Product Perfect For Anyone Best Hand Exerciser: You Can Train Fingers Individually Or Together With Different Tension Force.It Is Mainly Focused On The Fingers And Overall Part Of Hand Rehabilitation And Exercise Of Muscle. Material: Silicone + Alloy + Cloth Size: 40lbs-Blue Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Product name: Finger Yoga Strap material: soft nylon tape (adjustable tightness) Board material: high elastic silicone + alloy fixing frame Scope of application: rehabilitation training, fitness exercise Packing List: 1 * Finger exercise trainer