The Pillow Top Plus Topper features a thick cover stuffed with fiberfill and quilted with cooling fibers for soothing, plush comfort that helps you relax the moment you lie down. Cradling gel memory foam continuously reduces heat for longer periods of deep sleep, while adapting to your body with personalized pressure relief. It also encourages full body alignment in any position, which helps to prevent tossing and turning in exchange for more rejuvenating rest. The cover is machine washable and dryable, so you can experience years of great nights.