The Safe Area is an internal protective margin defined to keep critical design elements (like text and barcodes) safe from unintended cutting or folding. This area acts as an internal Margin and ensures that content is never damaged due to minor printing press registration errors or material movement during the Die Cut process. The presence of this area is essential for a better visual appeal and preventing the creation of waste.
The 3 to 5mm standard for this distance is a general industry principle. Its precise determination depends on the type of printing machinery and the accuracy of the Die Cut process at the manufacturing facility. In lower-precision printing, such as flexography, designers typically prefer to use a larger margin to minimize the risk of text being distorted or falling onto the fold lines.