1/0: Grayscale front, blank back
1/1: Grayscale front, grayscale back
4/0: Full-color front, blank back
4/1: Full-color front, grayscale back
4/4: Full-color front, full-color back
Please note, all artwork must be print-ready to avoid additional design charges. Artwork must be vector or high-res (at least 300dpi), CMYK, and set up to size with all fonts converted to outlines.