Reusable Snap Heat Pack, Hand Warmers Click, Hand Warmers Boil Click Heat Pocket Hand Warmer, Pouch Gel Hand Warmers for Camping for Outdoor, Indoor, Working, Studying, Camping, Warm Gifts (Set of 4)

Click to heat instant hand warmer: a reusable hand warmer, which is used for body comfort, pain relief and instant heating, and can reach 130 degrees in a few seconds.
Multiple ways of use: relieve arthritis pain; Neck pain, back pain, shoulder pain, knee pain or joint pain, muscle pain, relieve menstrual pain, portable long-lasting instant reusable heat pack can be used for camping, hunting, emergency preparedness, hiking and sports events.
Environmental friendly non-toxic heaters: Reusable heating pads, reusable pocket hand warmers and instant reusable hand warmers are suitable for camping first aid kits and your safety and survival equipment.
Durable instant heat pack: the instant heat pack can be reused. The method is to put the high temperature heat pack in boiling water and put a rag under it until the reusable heat pack returns to the liquid state. For best results, let it cool and store in liquid form.
Thermal patches and thermal Jackets: Camping thermal jackets and camping hand warmers can last for 1-2 hours, depending on the size and thermal insulation performance. After you quickly heat up or click hot start, the body heater changes from liquid to solid by releasing heat from the safe sodium acetate solution.

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