Fire your sticker printer if they require this. January 11, 2019 C.Rogers Leave a comment Here I’ve illustrated the problem with the “standard” 3mm bleed for printed stickers. 3mm bleed is standard for A4 Documents, not tiny stickers! Do you get print companies telling you that a 3mm “safe area” is needed on small things like round 40mm stickers? Sure, for A4 it’s no big deal, but here’s what 3mm blade slippage looks like on a 40mm sticker.