Goose down of European origin with fill power 800 cui /oz (measured by the European standard). Is is being used mainly for sleeping bags and cothing where the main criteria is maximum warmth, loft and minimum weight. It is goose down with best parametres, with highest ration of crystal particles. The down is veterinary tested and its qualities are verified by IDFB certificate (IDFB = International Down and Feather Bureau). Goose down is 100% natural, 100% recyclable, easily biodegradable.