A packaging unit for hygiene articles (301), the unit being formed from a sheet of material having a longitudinal direction (L) and a transverse direction (T). The sheet has an inner surface (302) and an outer surface (303). The inner surface (302) comprises an edge portion being provided with a resealable adhesive (12) for closure of the packaging unit (301). Furthermore, the sheet has at least one transversely extending folding axis (309, 309) dividing said sheet into a first region (310) and a second region (311). The sheet is provided with at least one sync mark (313) for indication of a positioning of the sheet of material during manufacturing of the packaging unit (301), said sync mark (313) being provided on the outer surface (303).A blank and a method for forming the packaging unit are also provided.
