Bar Harbor Foods® All Natural Hardwood Smoked Kippers Seasoned with Cracked Pepper. This delicious high protein product is also high in Omega 3 fatty acids., and a fantastic substitute for tuna in your favorite recipes. The shelf-stable 6.7 oz. recyclable tin free steel can is a great pantry item, and perfect for making creative hors d'oeuvres and snacks, and as a salad topper.