Why Old School Lunch Boxes Were Once Made Of Metal - Chowhound

Debbismirnoff/Getty Images These days, if we're taking our food to-go, we're almost certainly packing it in some combination of plastic, or perhaps a soft-sided insulated lunch tote. But back in your grandma and great-grandma's day, things looked a little different: For much of the 19th and 20th century, no kitchen would have been without a metal lunch box or two — the common choice for working folks and school…