DynastyMattress Queen Celebrity 13-Inch Pillow Top w/6" High Quality Memory Foam Mattress Cool Air Flow Memory Foam Mattress with 6" Memory Foam. Made with High Quality Memory Foam. 20 Year Warranty! 65% cotton 36% polyester zipper cover, Cannot be washed! Responds to your body's temperature and contours to your body's shape Reduces the Body's Aches Through Relief of Pressure Points