Body Wrap Body Wrap is designed for treatment of neck, shoulder, arm, leg, knee, and back pain.body wrap ... conditon exists, do not use.DirectionsTo use as a Hot Pack: Place in microwave for 1-1/ ... total heating time per use. To use as a Cold Pack: Place in plastic bag and leave ... in freezer overnight.Product DescriptionDesigned for treatment of neck, shoulder, arm, leg, knee, and back pain. It ...