Fine, 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 range goose down duvets and be combined with each other by buttoning them together washable up to 60° Box Stitch Duvet 12.5 Tog Extra Warm with Rim, approx 260g/m² 29648 single 135/200cm 700g 29651 double 200/200cm 1040g 29653 king size 230/220cm 1320g 29655 super king size 260/220cm 1490g - Brinkhaus Blue Goose Down Duvet Extra Warm 12.5 Tog in White, Cotton, Size Single - Brinkhaus Blue Goose Down Duvet Extra Warm 12.5 Tog in White, Cotton, Size Single