Hand-crafted design delivers a combination of heat, moisture and weight that contours to your body and delivers intense, moist heat that pushes deep into painful tissues and joints. In minutes, muscles begin to relax, circulation increases, even chronic arthritis pain subsides and the relief lasts for hours. One-touch, 20 minute timer switch with innovative pause feature, for the ultimate in hands-free therapy. Fleece cover with Moist-Sure technology enhances heat penetration. No need to add water for effective moist heat that reaches deep into the source of your pain. 14" x 27" - covers the entire back, abdomen, or hip and thigh. Flexible, weighted construction drapes to body contours to assure uniform contact with painful areas. Latex-free. Independently tested and certified to meet or exceed UL 130 standards for safety.