Duro-Med TheraBeads - Moist Heat Therapy Mitt helps relieve pain and discomfort associated with carpal tunnel syndrome, arthritis, and stiffness. This unique moist heat therapy system works with the aid of your microwave oven, heating in under two minutes. The TheraBeads provide therapeutic moist heat at the correct temperature levels needed for effective therapy. The heat therapy mitt conforms to the body, producing a soft, snug fit. Recommended by doctors for its deep penetrating qualities. With proper care, this product can be reheated and used indefinitely.