Protecting non boxed cartridges

zip-loc bags

benedick: most cartridges are the size of old compact cassettes. So use cassette containers!

Hmmm I'm pretty sure benedict was talking about loose carts, without paper or carton boxes and not the cartridge plastic case itself.

The cartridge shop has a very interesting carton box made of one piece of paper. You can buy a game from them, dismantle the box and make your own boxes following the same layout.

here is a carton boxlayout example, konami metalgearboxsize

Thanks Wolverine_nl; I've just checked out passion msx webpage and, as you said, I've found the covers already prepared. They look very nice, I'll print one; I need to see how it looks like on the shelf   thanks.