Product Specification: (100% Coconut Shell Charcoal, Sawdust, or Mix) Ash Content Max 2.5% Fix Carbon Min 80% Calories Min 8000 kcal Moisture Max 7% Volatile Matter Max 16% No Odor No Sparkling Time Burning Max 2 Hours Size: 27x27x27 mm (56 pcs per 1kg) 26x26x26 mm (64 pcs per 1kg) 25x25x25 mm (72 pcs per 1kg) 22x22x22 mm (96 pcs per 1kg) 20x20x20 mm (120 pcs per 1kg)