... smokeless, innocuous, odorless. Specification/ Material Feature:1. Synthetic Barbecue Charcoal Briquette,2. Size: 46x28mm 3. easy ignite, no mars, ... 4. high- temperature, homogeneous combustion, burn for long time, 5. smokeless, innocuous, odorless, safety and non- ... olefin paper or kindling.2. Time for burning to ash: one pound of charcoal pile randomly, over 80% surface will ...