Durability, support, and eco-friendly. This is the fastest way to describe this amazing pillow from Restful Nights® . The Renova® Recycled fiber is amazingly supportive and Hypo-allergenic. Then you take the quality Restful Nights® demands with its double needle stitching and 230 thread count cotton cover and you can't go wrong. This pillow was made to be enjoyed for many years to come and to keep the world a cleaner place so that the environment lasts much longer.