Raw Material - 100% Hardwood Size - 5-15 cm Calory - 6,800 J Ash Content - 4% Burning Time - 6-8 hours Application - BBQ Shape - Briquettes Type - Eco friendly black BBQ Charcoal, Smokeless, Non-Toxic, Non Chemical Color - Black Packing - 10 Kgs/Carton Feature Non Chemical & Non Toxic Environmental friendly Less Smoke , Odourless Spark Free Hexagonal BBQ hardwood is made from 100 % hardwood. We only use best wood and that is why we have longer burning hours up to 8 hours