Cotton 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. Premium Cover: A [100%] polyester knit and hypoallergenic cover is removable and machine washable to keep your pillow fresh for years to come. Extra Firm Feel Medium profile: 20" x 12.5" x 4" Perfect for side and back sleepers: Designed to provide proper alignment, comfort and support by following the natural curve of your body 5-Year Limited Warranty CertiPUR-US Certified Designed and assembled in the USA