Your artwork/graphic file should be:-
● Full bleed size with 1/4" extra perimeter artworks included;
● the contents fall into 2" perimeter safe margin;
● save as CMYK color and 300 dpi in Resolution of either PDF or JPG format.
● File should not be larger than 50MB in size.
Finished artwork should use the full bleed dimensions for best results. Please make sure to keep all text within the safe margin