Blue Goose Down Duvet Extra Warm 12.5 togFine, white new Mazurian Goose Down and fine feathers in a ratio of 90 10% covered by a pure, very soft peach skin cotton fabric promote blissful sleep. The puffy, airy down filling regulates humidity and is very breathable, creating dry sleeping conditions. finest 100% mako cotton batiste from controlled organic cultivation, TC307 new white Mazurian free range goose down and feathers, class 1, DIN EN 12934, 90% down button hem and button holes Blue