Warriors of the Pirate Space Elfs use markings to signify the unit. There are sizes of the cross markings are for Kneepads, Shoulder pads / Pauldrons, Banners and Vehicles. The decal is printed in white, black and red on clear decal film so the image will stand out over a dark background. These waterslide decals are compatable with Warhammer 40k and Infinity miniature games.