The Pangolin line of bags uses recycled inner tubes to recreate an armadillo-like shell, which hinges open via chrome pivots and latches shut with magnets.

It's manufactured by Colombia-based Cyclus, a company pushing the eco-design philosophy on several fronts.

Eco-design from Colombia: Cyclus bags - Cyclus - bags
You can check out their product line-up here, and learn more about their process here.