Patent ID: 8006834

Claim:
A pack for co-packaged article comprising: an inner flange member; an outer flange member; a first cavity defined by the inner flange member and the outer flange member, the first cavity having a flat outer surface and a first internal wall; a second cavity defined by the inner flange member and the outer flange member, the second cavity having a flat outer surface and a second internal wall spaced apart from the first internal wall, the second internal wall has at least one protrusion with a first position and a second position, wherein the protrusion is spaced apart from the first internal wall in the first position and contacts the first internal wall in the second position limiting inward flexing of the first and second cavities toward each other; and a label joined to the flat outer surface of the first cavity and the flat outer surface of the second cavity and limits outward flexing of the first and second cavities.