Key Information ‣ Uses: Specifically designed to provide heat therapy for neck pain relief, helping to relax muscles and ease tension ‣ Directions: Ensure the area is clean and dry. Remove the patch from the packet, peel off the protective film, and apply directly to the neck. The patch heats up on contact with air. ‣ Warnings & Precautions: For external use only. Do not use it with other heat sources or on sensitive skin. If rash, burns, or irritation occurs, stop use and seek medical assistance.