... tem:58 degree Heating last : 8 h Size: 90mm*55mm non-adhesive hand warmer hot pack 1.With CE, SGS And ... .3.It’s natural ingredients are environmentally .Safe intruction :1.Non-woven cloth imported from Japan with better stability and duration. 2.Safe ... , natural ingredients, no odor, no microwave radiation, non-poisonous, non-flammable, harmless and environmental.3.Portable type(a small and ...