Coconut Charcoal for Shisa Size 2.5x2.5x2.5 centimeters (suitable for shisa) Size 4x3x2.5 centimeters (suitable for BBQ) Time of burning 1.5 until 2 hours Moisture : 7.6 %wt Ash Content : 2.0 %wt Volatile Matter : 13.2 %wt Fixed Carbon : 77.2 %wt Total Sulfur : 0.05 %wt Gross Calorific Value : up to 7000 KKal Silver gray with the shiny granules (the maximum gray production is two percents since it is made from pure coconut shells )