Often when you open packaged foods, the underside of the lid contains something useful, or at least entertaining. A coupon, a contest entry, a “fun fact” that’s occasionally true, that sort of thing.
My latest package of Cup Noodle Curry, on the other hand…
(oh, and that was shot handheld in my kitchen under available light with my shiny new Minolta Maxxum 7D [85mm, f/11, 1/160, ISO 3200])