These additional 2 cartridges (10 more ice packs) are identical to the ones already part of the ComeBeCool Body Cooling Backpack 2026. They allow for an immediate extension of cooling time*, if they are kept ready (i.e. frozen) in a freezer, a refrigerator, a cooler or a thermal bag.
To be used again and again, with a 2-years warranty.
* if the rechargeable battery was fully charged when starting to use the first 2 cartridges.
