Salonpas Pain Relief Patch is suitable for people with muscle pain, neck pain and stiff shoulders. How to use: Wipe and clean the affected area of the skin. Remove the patch and cover the painful area. Recommendations: Do not use the patch within 8 hours and no more than 4 patches per day. Quantity: 10 pcs Patch size: 42 x 65 mm. Tags: pharmacy, Thai