... best keeping warm product in the cold winter!warmer pads Ingredient:polymer of iron,stone,active carbon,mineral ... fabrics bagAdhesive layer is being used to apply warmer pad to your clothesWhen mixture meets oxygen in ... begin oxygenation, this process will continually give out heat for 10 to 12 hours at least. This ... also have other special shape, e.g. the Warmer Pad for feet, for knee, for shoulder, the ...