Top: 54% Polyester / 46% Polyethylene Bottom: 100% Polyester Double the comfort: Includes two premium TEMPUR-Neck + Cooling pillows Helps relieve aches and pains: TEMPUR-Material precisely adapts to your head, neck, and shoulders TEMPUR-Material: Formed TEMPUR-Material in an extra-firm feel maintains its shape to help the neck and shoulder muscles relax but stay supported throughout the night. High-Stretch Performance Cover: A removable, machine-washable, and cool-to-the-touch cover woven with special heat-absorbing fibers that draw heat away from the body for all-night cooling comfort. Extra Firm Feel