... ,no radiation natural ingredient specifications for professional OEM processing Namenon-woven hand warmerSpecificationJapanse Skill,Inner size: 9.0*5.5cm,Max Temp ... :58centigradedegreeDuration time: eight hours or longerIngredientsIron powder,activated carbon,vermiculite,water and salt.CharacteristicsEasy to use,no odor, natural ingredients,no ...