Now better than ever, Back Pearl l ® Charcoal made from coconut shells mean the briquets are made with Natural ingredients , light easier and heat faster while burning as long as 4 hours . As always, each briquet is made with natural ingredients and real coconut shell charcoal , resulting Eco friendly charcoal that Blackpearl has long been known for. Available in sizes of , 3 Kg bags to 10 Kg bags.