heat wraps manufacturer Iso, SGS, msgs, test report documents Inner Size: 10x 13 cm heat wraps Ingredients: Iron powder, water, activated carbon, cellulose, salt and catalyst. Out package:Non-woven cloth imported from Japan with better stability and duration. Safe, natural ingredients, no odor, no microwave radiation, non-poisonous, non-flammable, harmless and environmental.Portable type(a small ...