ody keep warmer adhesive instant womb warmer Standar size: 10x 13.3 cm CE, ISO, SGS, MSGS etc adhesive instant body warmer, bodywarmers, womb warmer Ingredients: Iron powder, water, activated carbon, cellulose, salt ... , no microwave radiation, non-poisonous, non-flammable, harmless and environmental.adhesive type(a small and slight piece), facilitate the use. Disposable ...