A packaging material is disclosed. The packaging material comprises a plurality of magnetisable portions thereon, the magnetisable portions comprising at least one spot per package to be formed from the packaging laminate. The packaging material further comprises at least one preparation feature for enhancing finishing of packages, wherein the at least one preparation feature is aligned with a magnetic field mark in the at least one magnetisable portion. Methods for writing and reading, respectively, a magnetic mark on a packaging material are also disclosed.