Description

Made up of 3 parts: heating material, adhesive layer and the non-woven fabrics bag Heating material is inside the non-woven fabrics bag Adhesive layer is being used to apply warmer pad to your clothes Heating material is a mixture made up of iron, activated carbon, mineral salt and water When mixture meets oxygen in the air, it can give out heat Non-woven fabrics bag\&#**9;s feature is high air permeability, and can prevent leakage High quality adhesive layer can apply to the clothes firmly when you use it, and can easily removed easily, will never dirty your clothes Working theory: When heating material contact the oxygen in the air, it begin oxygenation, this process will continually give out heat for *0 to *2 hours at least This process will begin only after your breaking the vacuum packing