... :10*13cm the best keeping warm product in the cold winter!warmer pads Ingredient:polymer of iron,stone,active carbon,mineral salt ... non-woven fabrics bagAdhesive layer is being used to apply warmer pad to your clothesWhen mixture meets oxygen in the air ... skin. And also have other special shape, e.g. the Warmer Pad for feet, for knee, for shoulder, the shape and ...