Sustainable sleeping: The Luna-Arve-Vegan duvet is available in 4 sizes and is made from 100% natural, vegan materials: finest batiste made from 100% organic cotton. Filling made from 100% organic cotton with fine Swiss stone pine infusion. This sustainable product even has calming properties thanks to the Swiss stone pine infusion. Additionally, the duvet impresses with its excellent moisture absorption. It is GOTS certified. Warmth class 3. Not machine washable.