... -activated, self-adhesive backSafe,odorless,micro-thin,easy-to-use,environmentally safeAverage temperature is 52 °Cover 12 hours of natural therapeutic ... powder, Salt, Activated Carbon, Water, and Activated Charcoal.REFERENCE DATA: Product NameHeating TimeAverage TemperaturePeak TemperatureSing Piece WeightCarton Gross WeightShoulder/neck/back ...