Bedding Set: Duvet Cover, 2 Pillow Cases The Bedding Set is made of natural, organic linen fabric which has been specially treated by utilising volcanic stones to make it softer to the touch then traditional hard linen. With every wash it becomes softer and softer. Our natural European Flax linen has excellent thermoregulating properties which promotes airflow for a comfortable night’s sleep. All Soundsleep Duvet Sets meet OEKO-TEX® and European Flax Standards, which are your guarantees that your duvet is free from harmful chemicals and is organic. All duvet sets are packed using clothes packaging which is eco-friendly and recyclable. The duvet cover and pillowcases are completed with a button closure.