Trillium ™ pillows are made with the highest quality of blown gel polyester fiber. This allows each pillow to stand up to night after night of restful slumber. The Hyatt ® Hotel recognizes the durability and is why they feature the Trillium ™ in many of their chains. The blow gel polyester makes this pillow soft and luxurious and allows you to mold it to your certain needs. Experience this luxurious pillow in your home and sleep for many years to come.