Silicone tubing fingers trainer

Main Features: 100% new and high quality. Easy to train anywhere, be it in the traffic jam or cozy evening in front of the TV. Production of high quality silica gel, flexible, good elasticity, not easy to deform. Designed to strengthen finger muscles by creating resistance to expansion. improve the strength of the fingers At the same time promote blood circulation Helps to correct imbalances on individual fingers. Can be used on the right or on the left. Easy to use just slide your fingers in individual loops. Starting with your fingers together you develop your hand which in turn Exercise fingers, promote flexibility in the brain, fitness, save space again. Strengthens the muscles of your fingers and even the parts of your forearm. Pull information:Green 3KG 6.6LB,Blue4KG 8.8LB,Orange 5KG 11LB,Royal Blue 4KG 8.8LB,Dark blue 5KG 11LB  Packing: 1pcs Silicone Finger Tension TrainerNOTE1. Please allow a slight deviation for the measurement.2. Due to the difference of light and screen, t