Sink into a deeper sleep with this deluxe heated kingsize foam mattress topper by Silentnight. At approximately 3cm in depth, this topper will add luxury and comfort to your bed, moulding to the contours of your body as you sleep. It features a multi-zone LED controller with timer, 9 temperature settings and separate controls for your feet and body. Features: Made from polyester. Corner straps. Dual digital detachable controls. 9 heat settings. 15 minutes heat-up time to reach 37C. Auto adjusting temperature sensor - monitors the bedroom temperature and adjusts accordingly. Timer with auto shut off. Suitable for all night use. Extra foot warmth. Multi-zone heating areas - allows the heat setting to be different on each quarter of the bed. Low energy consumption. Safety features: Overheat protection. BEAB approved - safety verified by an independent third party. General information: Reusable storage bag. Size W150, L200cm - suitable for kingsize bed. 3 year manufacturers guarantee.