Always test pack temperature prior to application. Overheating or prolonged application may cause injury to person, including burns. For external use only. Do not use on infants. Do not puncture pack and/or ingest contents. Do not apply to sensitive skin, insensitive skin or open wounds. Do not use for purposes other than intended. Do not fall asleep using pack. Use only under adult supervision. Heating beyond suggested time may damage or destroy TheraPearl pack. For extreme, prolonged, or chronic pain, contact a physician.