Adventure Medical Kits Survive Outdoors Longer Fire Lite Fuel Cubes, 4 Packs of 12 Cubes, 6.88oz, 01401239

Each cube is waterproof and windproof able to be lit in even the worst weather. Each cube can burn for 8 minutes or you can have multiple fires by dividing each cube into 8 smaller pieces that will burn for 2-3 minutes.