This adhesive labels can be visibile or invisible
The former offers the possibility of inserting a complex security design into the label graphics, which is impossible to reproduce, such as personalized webbing, ad hoc backgrounds with precise lines generated by mathematical formulas, decorative graphics also of minute dimensions, etc.
The latter can be obtained using a computer programme that can generate randomised micro codes invisible to the naked eye, which can be embedded into any text file or four-colour graphics by means of normal printing processes and standards inks.
