The preferred file type for uploading your own design is a print-ready PDF.
For best results, please ensure your file:
Is saved as a high-resolution PDF (300 DPI)
Matches the exact product dimensions, including bleed if required
Has all fonts embedded or converted to outlines
Uses high-resolution images (300 DPI at final print size)
Is set to CMYK color mode when possible for accurate print results
Uploading a properly formatted, print-ready PDF helps ensure optimal print quality and avoids production delays.