Hardwood Charcoal Briquettes Origin Indonesia The Specification are : Specifications Material Hardwood lump charcoal; no chemicals added Ash Content 10 - 15% Ash Color White Fixed Carbon 50% Calories 6500 - 7500 Kcal/kg Moisture 6% Volatile Matter 15% Burning Time 6- 8 hours; no sparks, no smoke Shape Hexagonal Length 5 cm (2.0") 10 cm (3.9") 15 cm (5.9") 20 cm (7.9") Custom size available. Width 5 cm (2.0") Inner Hole Diameter 10 mm (0.4) Packaging Inner plastic + master box with logo NB : Please ask for stock and price first before buying You can customized your own specification Term of Payment : 50% DP, 50% before stuffing