1.Artborne Hand Warner 2.Muscle relax, Pain release, 3.MSDS,SGS,ROHS,CE,EN71 standard 4.Walmart supplier Artborne Magic ... -57°CMaterial: pvc+mental disc+sodium acetate Certificate: CE/SGS/MSDS/ROHS colorRed,blue,yellow,clear,purple,green Functions Activate blood ... instant resuable pocket hand warmer(Xiamen Manufacturer with CE&FDA&MSDS)