Premium Grade B 1) Use 100% coconut shell charcoal 2) No smell, No smoke 3) Ash content = 2.5% - 4 % 4) Moisture = 6% 5) Vm = 15% 6) Calories = 7,200 - 7,400 7) Custom size 8) Burning time = 2-2.5 Hours 9) Include Cover Customized (Plastic + Inner Box + Master Box)