Thermopad back warmer that produces heat for up to approximately 12 hours.

It has an adhesive to stick it to your jacket, sleeping bag, or wherever else you want.

Once you open the packet, the oxygen in the atmosphere reacts with the iron salts, and the exothermic reaction produces heat of approximately 53-63°C.

Very useful for winter camping trips, to warm your back, and for drying clothes inside the tent.

Extremely useful also for soldiers, military personnel, and hunters who spend many hours outside in the cold.

It does not contain hazardous materials and is not a disposal hazard.

The package contains 1 large 50g packet.