UKN-M6:Type 42 DDG Sheffield. Specifically sized to GHQ models. 1 deck, x3 hull numbers, x1Union Jack for bridge top for each ship in the class. The decals are printed on clear water slide decal paper. The blue background is just to be able to show the white markings. The decals come with a clear background. Paint the model deck any color you like and apply the decal. The paint will show between the decal markings.