The Heated Hand and Wrist Warmer Wrap is designed to help manage the discomfort of chronic pain caused by various conditions such as carpal tunnel syndrome, arthritis and like conditions as well those that perform repetitive and wrists motion throughout the day. The hand and wrist warmer is designed with adjustable velcro straps that will fit most adult hands and can be worn on either hand. If you crochet, knit, constantly use the computer or other action that put strain on the hand and wrists, the hand and wrist warmer is a must have.