Indulge in the luxurious comfort of the White Goose Nano Down and Feather Pillow Set by Firefly. The pillows are filled with nano down, which is a blend of small dense clusters of super soft down and high loft feathers. Perfectly suited for any sleep type or position. The cotton cover offers a breathable, cozy fabric that will last for seasons to come. Natural fill is washed with ox power technology that exceeds the industry standard for cleaning natural fill contents. We wash our material 18 separate times to ensure a completely disinfected and hypoallergenic fill.