ALWAYS READ THE LABEL. FOLLOW THE DIRECTIONS FOR USE. INCORRECT USE COULD BE HARMFUL.Ingredients Gelling agent, humectant , preservative
Direction Store Medi pak in freezer. Apply over a cloth or bangade. If the application becomes uncomfortable remove pack for a few minutes from affected area. Then re-appl. Presons with circulatory problems should not use cold compression except as directed by a doctor. Heating instructions follow pack instructions carefully.