Skull and Crossbone Award Decals are one of our most popular sports helmet Award Decals. The Original 20mil Heavy Duty Vinyl Award Decals. Skull and Crossbone Award Decals are the perfect way to reward your players for achievements and great plays. Our Skull and Crossbone Helmet Reward Marker Decals are 1″ circles with the design printed within. Skull and Crossbone Circle Helmet Reward Stickers are sold in a pack of 4 sheets. Each sheet contains 25 1″ Circle Award Stickers. Award Decals, Inc is the Original Helmet Decal Company since 1976.