If ordering optional foil stamping, please follow the Prepared Instructions. Please prepare CMYK File with all design areas that do not have a metallic foil finish. You MUST include a 100% Black Foil Mask of the elements of your design to be stamped with foil. Only one foil color is available per card design, whether you print on the front, back or both sides. Furthermore, if you are ordering optional spot or raised spot UV, please follow the Prepared Instructions found on the same page in the link below under Spot UV. Once again, you must include a SEPERATE 100% Black Foil Mask of the elements of your design to be spot UV coated.