NORTHFIELD, Ill – Kraft Foods Group has issued a voluntary recall of roughly 242,000 cases of certain code dates and manufacturing codes of the Original flavor of Kraft Macaroni & Cheese Dinner.

The recall is being carried out due to the possibility that some boxes may contain small pieces of metal.

The recalled product is limited to the 7.25-oz. size of the Original flavor of boxed dinner with the “Best When Used By” dates of Sep. 18, 2015 through Oct. 11, 2015, with the code “C2” directly below the date on each individual box. The “C2” refers to a specific production line on which the affected product was made.

Some of these products have also been packed in multi-pack units that have a range of different code dates and manufacturing codes on the external packaging (box or shrink-wrap), depending on the package configuration.

Recalled product was shipped to customers in the U.S. and several other countries, Canada not included. The affected dates of this product were sold in only the following four packaging configurations: the 7.25 oz. box, Original flavor – UPC Code 0 21000 65883 1; the 3-pack box of those 7.25 oz. boxes, Original flavor – UPC Code 0 21000 05076 5; the 4-pack shrink-wrap of those 7.25 oz. boxes, Original flavor – UPC Code 0 21000 72540 3; and the 5-pack shrink-wrap of those 7.25 oz. boxes, Original flavor – UPC Code 0 21000 77436 4.