Edible food, most likely. Probably a sammich (Some meat-cheese combo with mayo or a PBJ), some chips or potato straws, and a desert, most likely a brownie or two, depending on the size, or some other form or dessert
I'd have a giant can of Red Bull, an apple, and a triple decker sandwich, with one layer of peanut butter, a layer of ham, and then a layer of cheese. It's actually really good.
I bring a lunch box to school every school day so thats not much of an intresting question for me except that it usually has nothing of intrest in it so for once I get to choose what goes in it so here it goes! 2 bigPepperint patties, This, a 6" sub from subway and 3 oranges
8O THAT'S ONE BIG GUMMY BEAR!
I would have another lunch box inside my lunch box, and in that lunch box would be a portal that would take me to mars, then at mars, I would find another lunch box that would have a klondike bar in it :P