Our materal are from many kinds of wood such as acacia, rubber, pine with long burning time, and easy to transport Specification - Moisture content : 1.75% - Ash content : 2.72% - Volatile matter content : 28.17% - Fixed carbon content : 69.11% - Calorific value : 7216 Kcal/kg. - Size: Diameter: 3 - 5 cm Length: 15 - 20 cm - Packing: 15 - 30 PP white new bag or upon request