US MILITARY ZESTO-THERM RATION HEATER

The flameless ration heater. Will heat a packet of food to 100 degrees F in twelve minutes. Just add water to the pack, no flame. Lightweight at 36g (1.03oz), compact at 145 x 110 x 22 mm. You can heat the food in your pocket while you are on the go. Non-toxic, no other utensils required. Can also be used as a body or hand warmer in cold conditions.