The flames are made from 100% acrylic “wool” and make excellent markers for destroyed tanks and vehicles. They can also be used to make Smoke bombardments from your artillery or direct fire Smoke from guns and tanks. The Pack comes with a bundle of mixed yellow, red and black flames, a black bundle and grey bundle. These can be broken up and combined as you desire. The plain black and grey bundles are ideal for using as smoke and artillery markers while the mixed flames are great for marking destroyed tank and vehicles.