This memory foam pillow set features shredded polyurethane foam filling that conforms to the shape of your head and neck, helping to keep your spine properly aligned whether you sleep on your side, back, or stomach. The adjustable fill provides personalized support and may help relieve discomfort from tension, neck pain, and other common sleep issues. Each queen size pillow measures approximately 28 by 17.7 by 7.9 inches when unfolded and weighs 4.85 pounds. The breathable cover is made from a blend of 60 percent polyester and 40 percent bamboo rayon, designed with hypoallergenic materials that resist mold, bacteria, and dust mites. The zippered cover is removable and machine washable for easy care and maintenance. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm under Proposition 65.