Upload the file with the highest quality you have, up to 64 MB.
Minimum resolution 150 dpi and file in real size. (85 x 206 cm)
Only uploading PDF files (* .pdf) is allowed, if your file is not of this format it will be rejected.
Fonts or texts must necessarily be converted to paths or curves. Properly check your design to avoid misspellings.
Try not to use masks and transparencies or flatten them.
It is mandatory that your file, spot colors and Pantones are correctly converted to CMYK to avoid large variations in color.