BBQ briquettes (A) contain 30% high quality coconut shell charcoal 70% hardwood. White ash Ash content : < 6 % Burning Time : 3 - 4 Hours Fixed carbon : < 70 % Total humidity : < 9 % MSDS Certificate Optional size : Diameter 6 CM, length 10 CM -20 CM 10 KG master box packaging (including inner plastic)