body warmer to keep warm for skier various models no odor,no radiation natural ingredients specifications for OEM processing Namebody warmer to keep warm for skierSpecificationJapanse Skill,Inner size: 13*10 cm,Max Temp: 63centigrade degree, ave temp:53centigrade degreeDuration time: 16hours or longerIngredientsIron powder,activated carbon,vermiculite,water and salt.CharacteristicsEasy to use,no ...