Thermophore Moist Heat Pack produces its own moisture using humidity in the air. There is nothing to boil or microwave. Because of its large size, the Standard can be applied to larger areas of the body, including the entire spine, both shoulders, and the legs.
Moist heat therapy is a means to temporarily relieve pain derived from arthritis, bursitis, back aches and muscle spasms
The momentary switch is the safest way to deliver high temperature
High temperature and moisture is what makes the Thermophore Hot Pack effective
Genuine Thermophore Automatic Moist Heat Packs are designed to last for many, many years