Square Pillow, Synthetic Down, Pillow Insert, 26" X 26" Filled with 100% soft polyester fiber Top Quality, 200 Thread Count fabric cover, made of 100% Cotton hypoallergenic comfort. For indoor use, this Pillow is completely machine washable, in cold water, dry on low, before first use, and as needed, fluff up your pillow a few times, to get it a full plump look, this will help it last for years!