What Colour Mode should my file be?
Your files should always be in CMYK, anything else may result in a colour shift when other colour modes are converted into CMYK.
What resolution is preferred for final artwork and images?
The preferred resolution for images and artwork is 300DPI.
Rich black and Total Ink Coverage
We are limited maximum ink coverage of 300%, anything over may result in many print related problems such as cracking. To achieve a rich black, we will recommend the values C30, M20, Y20, 100K.