Buy these two pillows and save 20 white siberian goose down is recognised throughout the world as the most luxurious of natural fillings offering the greatest possible warmth from the lightest possible weight the down is gathered in the extremely cold climate of siberia and eastern europe which creates very large clusters of ultra light down thats far warmer than ordinary down its used for some of the most expensive bedding in the world but these duvets and pillows are available at exce