Charcoal briquette (36*28mm). Easy ignite, no mars, high- temperature, homogeneous combustion, burn for long time, smokeless, innocuous, odorless Character: 1. Ignition: ignite by a match, lighter or any other kindling. 2. Time for burning to ash: one pound of charcoal pile randomly, over 80% surface will be burned to ash within 20 minutes, and no flame. 3. Duration: the temperature will be over 550F after 30 minutes, and will be still over 350F after 60 minutes. 4. Smoke and smell: after 20 minutes burning, smoke and other smell will disappear. Packing: 2.5kg/ bag, 3kg/bag, 5kg/bag, 10kg/bag.