Polar's Herring Fillets are produced in a new state-of-the art "Green" cannery located in Germany. The Herring used in Polar products originate from the cold Northeast Atlantic Norwegian Sea region. The fish caught in these waters are known for high Omega 3 Fatty Acids. Polar's Kipper Snack is naturally smoked using a variety of beach wood shavings and contains NO chemical dyes or imitation smoke flavor. It is also hand packed to ensure the delicate texture of the fillet. Polar's Herring in Sauce are also hand packed and filled with a traditional savory sauce to complete any meal.