All Weather Fire Cubes from Adventure Medical Kits are tasteless, odorless, non-toxic and individually packaged with an 8 year shelf life.
A kit will retail for $10.00 and comes with 6 FastFire cubes and a sparker. The full cube will burn for 12 minutes and you can cook atop it, but you can also shave off some of the material to start fires. Additionally, the sparker is good for 1000 sparks.