Arkansas-based Tyson Foods is recalling more than 69,000 pounds of frozen, ready-to-eat chicken strips because they may be contaminated with pieces of metal.

The U.S. Agriculture Department said Thursday the products were produced on Nov. 30, 2018, and have a best if used by date of Nov. 30, 2019. The products have the establishment number “P-7221” on the back of their packages.

Products under the recall include: Tyson fully cooked buffalo-style chicken strips in 25-ounce bags, Tyson fully cooked crispy chicken strips in 25-ounce bags and Spare Time fully cooked buffalo-style chicken strips in a 20-pound case.

The USDA says it received two complaints about the metal, but there are no confirmed reports of anyone being injured.

The USDA is concerned the products could still be in freezers. Consumers should throw out the packages or return them to the place of purchase.

The recall comes after Tyson in January recalled some chicken nuggets because customers said they found pieces of “soft, blue rubber” inside.