I actually have a little cookie box, which is lined with heavy aluminum foil, which I put in a steel lunch box. Perhaps it sounds like overkill, but it’s the o

I actually have a little cookie box, which is lined with heavy aluminum foil, which I put in a steel lunch box. Perhaps it sounds like overkill, but it’s the only way I seem to be able to fully isolate the devices. That said, I’d probably just buy a bag... but I’ve been trying to keep it with what I have lying around the house.