Duro-Med TheraBeads - Moist Heat Therapy Mitt helps relieve pain and discomfort associated with carpal tunnel syndrome, arthritis and stiffness. No soaking, boiling or electrical wires needed for application. This unique moist heat therapy system works with the aid of your microwave oven. 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.