For best results, we recommend:
Saving your file as a high-resolution PDF (300 DPI)
Setting your document to the exact product dimensions, including bleed if required
Converting fonts to outlines or embedding all fonts
Ensuring images are high resolution (300 DPI at final print size)
Using CMYK color mode, when possible, for accurate print color
Submitting a properly formatted, print-ready PDF helps ensure the best possible print quality and reduces the chance of production delays