Hand-crafted design delivers a unique 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. This pack is capable of reaching the most intense heat levels allowed. Easy-Comfort switch immediately responds for customized therapy and absolute control of pain management. Easy-to-wrap design ensures a comfortable fit and maximizes heat transfer for soothing, all-over comfort. Moist-Sure technology in our plush fleece cover absorbs atmospheric moisture to enhance the penetrating heat of the pack for more effective therapy. No chemicals, messy creams or concerns about side effects. Use as often as needed to take control of pain before it intensifies and begins to control you. Latex free. Petite 4 inch x 17 inch size is perfect for the neck, head, jaw or smaller joints. The Velcro strap assures a snug but comfortable fit and uniform contact with painful areas for maximum relief.