6 individual packs of Firelighters The HI-LITE firelighter boasts outstanding burning characteristics. With a 70-degree flashpoint, our product is guaranteed to ignite in any weather conditions. The blocks are sealed in attractive plastic bags (80 microns, 3 layer polypropylene) which are water and airtight. Shelf life is at least five years, provided the seal is not broken. What's in the box firelighter