Shoppers have been urged to look out for bands on the top of the bags the products were stored in. Meanwhile, the tail-off peeled shrimp bags were black and blue. Shrimp sold at retailers including Walmart have been recalled over potential radioactivity. How to handle product recall FOOD Safety experts insist that shoppers shouldn't panic if they're affected by a recall, as many are harmless. Typically, the brand will ask consumers to return the recalled product to the store where they purchased it for a full refund.