A (non-Kodak) film canister. Photo Brian Turner / Flickr. If you have a hankering to take a teeny tiny packed lunch along with you, and you happen to have some old film canisters around the house, then Kodak has good news. While the plastic tubs aren't FDA approved for food, Kodak reckons that they're safe enough, despite not going so far as to actually recommend the practice.
After having made roughly 10 gazillion of the handy little pots over the years, Kodak knows a thing or two about them.
Gadget Lab, Kodak: Film Canisters Are Fine for Food Storage