This Twin XL size 8.5-inch Thick Innerspring Mattress would be a great addition to your home. The Wolf family has been making mattresses in America's heartland for over 137 years and five generations. The Sleep Innovations line of mattresses give you all the features of more expensive mattresses. Designed and engineered to give you comfort and support using natural cotton fibers, high density foam, and a 312 coil Bonnel Innerspring system. The Jacquard Damask quilt is filled with cotton at the top to allow your body to breath and help regulate body temperature and contains an extra base layer of foam for extra resilience. Natural un-bleached cotton contains no dyes. The mattress is rolled in plastic and boxed for protection during shipment; the small size of the package is also helpful when moving it into your home by making tight spaces easy to navigate. Product carries a 5 year warranty. Wolf Sweet Dreams Since 1873.