Hotmax Fuel Logs are an ideal source of fast, efficient, clean sustainable heat suitable for a wide range of situations. The small briquettes are made from 100% natural softwood dust which has been compacted to produce a low ash residue. These blocks are clean easy to handle, easy to light stable enough for a fireplace. Winter uses: Woodburners Multi-fuel stoves Open fires Summer Uses: BBQ s Chimeneas Camping Caravanning