Eco Friendly Firelighter Cubes: Easy to use fireligter cubes today: Big K’s Eco Friendly Firelighter Cubes are a great way to get your barbecue started without using any nasty chemicals or additives which can spoil the taste of your food. Available in this handy pack of 96 cubes, these carbon neutral firelighters are made from renewable vegetable wax, making them an environmentally friendly way to get your fire started.