I carry several PJ cottonballs in a small metal (o-ring sealed) containers. I made up several a number (5+) years ago. They still work fine. The containers are very small, estimated 3/8 diam by about 1.5". I stuff them in tight and screw on the lid. Then put them is the corners of my gear where they ride well for years.

Never failed to work when needed.

Oh, forgot to add that you don't want too much PJ on the cotton balls. Try them till you get the mix right. Too much and they don't light well.

Nomad