Premium Coconut Grill Briquettes 8 kg Mustang are high-quality BIO coconut charcoal briquettes that are 100% wood free and made from coconut shells. They provide fast ignition in 15–20 minutes, high grilling temperature, and long burn time of about 3 hours. Low smoke, low ash, very clean combustion, and no chemical additives make them an excellent choice for easier and better grilling.