100% Polyester Helps relieve aches and pains: TEMPUR-Material precisely adapts to your head, neck, and shoulders TEMPUR-Material: A single piece of our one-of-a-kind, infinitely adaptable TEMPUR-Material in an extra-soft feel cradles the head, neck, and shoulders to help relieve aches and pains. Premium Cover: A [100%] polyester knit and hypoallergenic cover is removable and machine washable to keep your pillow fresh for years to come. Dual-Sided Support Flat Side: A gentle arch provides additional support for the head and neck, and shoulders. Contoured Side: Once flipped over, the flatter side provides a more traditional shape for side or stomach sleepers. Standard Size: 24" x 17" x 5" CertiPUR-US Certified 5-Year Limited Warranty