Key Information: ‣ Size:13.0 x 6.4 cm, 2 pieces ‣ Uses: Effective for targeting localized pain relief. Can be applied to the back, neck, shoulders, or wherever pain occurs. ‣ Directions: Clean and dry the affected area. Remove the backing from the patch and apply it to the skin. Press firmly and ensure the patch sticks smoothly to your skin. Leave in place for up to 8 hours. ‣ Warnings & Precautions: For external use only. Do not use it on wounds or damaged skin. Avoid contact with the eyes, mucous membranes, or rashes. Do not use a heating pad or apply external heat. Discontinue use if skin irritation develops. Children under 12 years of age: consult a doctor.