Bleed, safe zones, CMYK vs RGB, Pantone and resolution — the five things that make artwork print-ready, plus a checklist to run before you send any file.
The standard is 0.125 in (1/8 in) on every side in the US and 3 mm on every side in the UK and Europe. Large-format products and folded items may need more, so check the product spec.
Design in CMYK for anything that will be printed. RGB is for screens and can show bright colours that ink cannot reproduce, so RGB files often print duller than expected.
Photos should be 300 dpi at the final printed size. Logos and text are best supplied as vector artwork. Large-format banners viewed from a distance can usually use lower resolutions.
CMYK builds colours from four process inks; a Pantone (spot) colour is a single pre-mixed ink. Pantone gives more consistent brand colour; CMYK is standard for photos and full-colour work.
A print PDF, usually PDF/X-1a or PDF/X-4, with fonts embedded, bleed included and crop marks turned on.