1) the product is flaky patches with three parts of raw material layer, gelatin layer and non-woven bags and raw material is placed in non-woven bags;
2) The raw material layer is composed of volcanic energy spar,charcoal superfine powder,tourmaline water,inorganic salts, iron and other synthetic polymers;
3) Under the role of the oxygen in the air, the exothermic creation in raw material layer can occur;
4) Non-woven bags are characterized by no leakage and good ventilation;