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All of our heat packs are fully reusable again and again and are ideal for any application where safe, convenient, fast, scent free, heat is required. These heat packs are portable and generate a reliable scent free instant heat, where and whenever you need it, without the need for batteries or electrical cords. The simple 'snap' of the “activation trigger” starts a unique, instant crystallization process that produces heat up to 130 degrees Fahrenheit within seconds.
Depending on heat pack size and application, these heat packs can produce therapeutic heat from 30 minutes to three hours or more. Longer heat times are experienced by using any form of insulation such as a towel or layer of clothing. After use, the spent heat pack is recharged by simply placing it in hot water for a few minutes which also cleans and sterilizes them, thus insuring they are ready for the next time they are needed. They also double as a cooling compress when chilled in a cooler.