Packaging used to display food for sale in a shop (such as a supermarket).
This might be a disposable printed box, squeeze bottle, carton, canister, thermally sealed bag, jar, can, styrofoam tray shrink wrapped in plastic wrap, etc. These should include the product's name and potentially a UPC bar code or price tag.
Do not use this for things such as drink bottles and cans or juice boxes, or food wrappers intended for individual serving (which are overly common and better served by their own tags). This also obviously doesn't apply for unpackaged food (such as loose produce, raw fish or meat on ice, unwrapped bread at a bakery, etc).