A packaging comprising a first and second outer part of metallic material, a n inner part of non-metallic material made in one piece and comprising a first and second opposed side between which an element can be stored and a hinging part forming at least one hinge connecting said sides and allowing the sides to be rotated relative to each other within an angle so as to open the packaging and adapting the packaging and adapting the packaging for packing in an automated packing machine. At least a part of a perimeter of the first an d second outer part is adapted to retain the inner part in order to attach sai d outer parts to said respective sides of said inner part for covering s substantial part of the outer surfaces of the sides.
