Tempur-Pedic TEMPUR Supreme 3-Inch Premium Foam Mattress Topper, Adaptable Personalized Comfort, Pressure Relieving, Assembled in the USA, 25 Year Warranty, King TEMPUR MATERIAL - Our topper is designed with the same pressure-relieving material found in our Tempur-Pedic mattresses. The material conforms to your body to deliver a deeper, uninterrupted sleep. 25 YEAR WARRANTY - Unlike other mattress toppers, ours is 3 inches thick and more durable than ordinary memory foam. It will deliver one-of-a-kind long lasting support for years to come. PRECISELY ADAPTS TO YOUR BODY - TEMPUR material responds to your bodys temperature, weight and shape for precise, personalized comfort and support while you sleep. WASHABLE, ALLERGEN-RESISTENT COVER - You'll never have to worry about dirt or dust with our removable, machine-washable cover. Plus, it's breathable, dust-mite and allergen-resistant. Do not use chlorine products or harsh stain removers of any kind. Contact Tempur-Pedic Customer Support for information on how to clean the insert. ONE TOPPER, COUNTLESS USES - For you, for a dorm room, for kids, for guests, or even for travel. YOUR NEW TOPPER - Getting Acquainted to your new product: the topper may feel more firm than expected. Please give the topper time to break-in. You may also notice a new product smell at first. As with most new purchases, this is normal and will dissipate in a couple weeks.