Packaging for sterile packaging a product, comprising a bag shaped body with two main surfaces that are mutually gas tight at at least part of their peripheral edges comprising a gas non-permeable material. At least part of the main surfaces comprises a gas permeable material part of a pore size that locks out harmful organisms and comprises a gas tight material part that is positioned between two peripheral edges that extend in a longitudinal direction and between the gas permeable material part and a peripheral edge that extends in a transverse direction.