Hexagonal briquette coconut charcoal are commonly used for Barbeque/grill. SIZE : 1. 8 x 4 cm, and 2. 12 x 6 cm Calories up 7200 up Burning Time 2 hours Ash Content 2.4% Max. Fixed Carbon 80-85% Hardness 95% (not easy to be broken) Volatile Matter 12-17% Total Moisture 6% Max Product is equipped with laboratory test result (Sucoffindo).