Boni selection offers wild herring fillets caught in the Northeast Atlantic mixed with a smooth mayonnaise. Each package contains 350 gr. MORE INFO ABOUT THIS PRODUCT Ingredients: 50% rollmops [herring (Clupea harengus), onions], 50% mayonnaise [water, rapeseed oil, ground hen egg yolks, sugar, vinegar, mustard, modified starch, salt, thickeners (E412, E415)]. Origin: Herring: caught in the North Sea (FAO 27.IVa). Storage: Keep dry, away from heat and light. After opening, keep for two days in the refrigerator, in the mayonnaise.