Aerelle Blue - Comfort fibers with an environmental advantage! The filling fibers in the Greenline Aerelle Blue products are made from recycled plastic sourced from the Plastic Bank, one of the most recognized initiatives against plastic waste before it reaches the ocean. At the same time, it supports people in poverty to build a better future. The Greenline Aerelle Blue products are very cozy and comfortable, maintain their shape well, and provide a balanced microclimate. The duvets and pillows in this series are suitable for dust mite allergy sufferers, as they are washable up to 60 °C. A German brand product.