Easy to use and fast-acting, each pack contains an internal disc for activation. Just snap it and apply the pad to your problem area. Reaching temperatures up to 129F, if effectively stimulates oxygen flow to the muscle for instant pain relief and relaxing comfort. They’re completely reusable. Simply drop them into boiling water to reset them. They’re an eco-friendly alternative to disposable packs and help save your money.
Reusable heat pack. Activate by bending the metal disk inside of the pouch. The chemical reaction that takes place will generate heat. Use to demonstrate exothermic chemical reactions or in thermodynamic experiments. To reset the heat pack, simply boil in water until all the crystals turn back into liquid.
Size may come in round or rectangular shape
About Hot To Go Heat Packs