Briquettes are made of charcoal, starch and water. ATTENTION. The briquettes are intended for open barbecues. Not recommended for use in kamado grills. Briquette embers maintain an optimal temperature for up to 3 hours. Charcoal briquettes can be ignited completely evenly with a stove burner in just 20 minutes. Meets the requirements of standard EN 1861-2:2005. HOW TO USE: Light the charcoal briquettes and wait for about 20 minutes. Then, you can start grilling when the briquettes are covered with a white layer of ash, and the flame disappears. WARNING: Not for indoor use. Use only in a well-ventilated area. Always place the barbecue on a flat, horizontal, heat-resistant surface away from trees and other flammable objects. Do not use alcohol, fuel or solvents, lighter gas or gasoline for initial or re-ignition. Keep children and animals away from barbecues, even after extinguishing them. Do not leave the barbecue unattended. Do not attempt to move a burning barbecue. Do not pour flammable substances on a burning grill. For outdoor use only. An adult must always supervise a burning barbecue.