... hours 3.ave-temperature 51 degree 4.dimension:100*130mm instant heating pad for bodySpecification: (1)Function: Heat pack is used popularly ... )OEM Size: Your customerized size is welcome. (6)Key Feature: Instant warm effect,non-toxic, Convenient and portable. safe and good ... .adhesive heat patch,body warmer,heat relief3.material: iron powder,water,salt,activated carbon etc.4.air activated,open it and ...