1.durable core balance wristband 2.balance, strength, flexibility, symmetry. 3.it's a secret weapon 4.waterproof durable and waterproof core balance wristband improved balance,increased core strength,great flexibilityaccelerate body blood circulation,relaxes nervous,eliminate fatigue,make neck and shoulder relaxfashionable designheat-resisting and cold-resistingmade of 100% virgin silicone eco-friendlyown it ,life will be happy

core balance wristband