Metal! Bonus points for the pun. Yours, not mine. Heh. It looks like it's pretty solid. Have you thought about hanging it somewhere? I could imagine these being useful for a lot of situations - I imagine like a little accessible toolbox you can nail into a tree, or even in the kitchen to hold like, bulk and pantry items. As far as aesthetics go, it's pretty industrial but still versatile as a craft. Any chance for a better photo? I know it's hard to get metal to focus on camera :/