The ice cream bars are typically distributed in schools across the U.S. Twenty-three states are affected by the recall.

Rich’s Ice Cream has expanded its recall of frozen dessert products, impacting more than 110,000 cases across 23 U.S. states. The recall, which initially began in June, was updated by the U.S. Food and Drug Administration (FDA) to a Class II threat.

Ten varieties of ice cream bars sold in 23 states have been recalled due to a possible listeria contamination. The recall involves several different ice cream bars made by Florida-based Rich Ice Cream Co.