Cuddly soft filling: the filling consists of white goose down and feathers of class 1 (DIN EN 12934) with a proportion of 90% down and 10% feathers. Cover for perfect sleeping comfort: The duvet offers a soft down cambric cover that gives a pleasant feeling on the skin and ensures a dry sleeping environment thanks to the hydrophilic finish. Care: The Martina down duvet is easily washable at up to 60 °C, which makes it suitable for allergy sufferers. Optimal temperature compensation: thanks to the high-quality materials, this duvet ensures a balanced heat balance and is moisture-friendly - perfect for any season. billerbeck Sleep Culture: Since 1921, the renowned family business has been manufacturing high-quality bedding. All duvets, pillows, toppers and mattresses are made from high-quality materials and ensure a restful sleep.