The gummitwist system consists of wooden rods, painted metal shelves and rubber bands. It can be customized with either shelves or hanging folders. The rubber bands are available in 6 different colors.
Date: May 08
These are brilliant!
Date: May 28
Don’t rubber bands decay over time?
Date: May 29
I guess the normal ones a little bit but I think that the designer probably already though of that!