^^ some PAL-EUR long boxes were a bit like that, at least the end result was.
there was two kinds (same dimensions) an outer card label and plastic combo version...that the appendix was the hinge, plain laminated cardboard, and the other that was much more reliable.
closes like a magadrive game case, all plastic as well, aside the game label, that's a dvd cover in size...roughly. (a bit wider of a case by a few millimeters at best.)
of the two complete retails i have for the saturn (i'll hold out for an ODE, and an AR 1-4m ram expansion/external save cartridge) worms is a solid case, and guardian heroes is the original frayed mess.
both games and user manuals in great condition..as the point.
...
not found a way to effect repairs on the cardboard long boxes, once they go, the go.
the solid plastic cases can be improvised using a quality dvd housing, provided the user manual isn't chunky as fuck...