This item makes sense in your BOB.
I might suggest the use of kerosene rather than gasoline. It is less volatile and the smell is better. Plus it doesn't usually have the additives found in automotive fuels. I would still double package these in a zip-lock(r) bag, in case they leak or you crush them...
https://suburbanbushwacker.blogspot.com/2017/08/bushcraft-napalm-and-how-to-make-it.htmlIf nothing else, the creative use of the (real) English language is worth reading. Nothing off-color, just not what we hear in the US...
The use of empty plastic toothpaste tubes is a good prepper skill too.