Kraft Foods is recalling 242,000 boxes of Macaroni and Cheese that may contain small pieces of metal.

The nationwide recall applies to all 7.25 oz packages of original flavor mac and cheese with “Best When Used By” dates of September 18, 2015 through October 11, 2015 and “C2” stamped below the date. In a press release, Kraft said the product in question was sold in four different configurations, all of which are affected by the recall:

  • 7.25 oz. box, Original flavor
  • 3-pack box of those 7.25 oz. boxes, Original flavor
  • 4-pack  shrink-wrap of those 7.25 oz. boxes, Original flavor
  • 5-pack shrink-wrap of those 7.25 oz. boxes, Original flavor

No other sizes, varieties, or shapes and no other configurations are included in the recall. Kraft products with manufacturing codes other than C2 stamped below the “Best When Used By” date are also not affected.

Kraft Foods is encouraging customers to return the product to the place of purchase for a full refund or exchange. They can also contact Kraft Foods Consumer Relations at 1-800-816-9432 between the hours of 9 a.m. and 6 p.m. EST for a full refund.