We accept the following file formats TIFF, JPG, EPS, PNG, AI, PSD, and PDF. The maximum file size acceptable for upload is 100MB (megabytes) per file. Please contact us if your file is any larger than 100MB so that we can arrange to send the file another way. All files and embedded images must have be at least 300 dpi (dot per inch) resolution to print otherwise there will be a substantial drop in the printed image quality. Fonts must be outlined or converted to paths in AI and EPS files.