The self-heating mattress topper features a unique heat-reflecting foil combined with a thermal lining and deeply filled quilted top layer to add up to 7.5 togs of extra warmth to your bed. The foil lining reflects body heat back to the sleeper and retains warmth, keeping your bed cosy and warm without the need for electricity. Not only does this topper help you save money on your heating bills, but it’s also deeply quilted and made with super soft fabric for added comfort.The elasticated straps make this topper easy to fit over your current mattress during the colder months. This product comes with a two-year manufacturer’s guarantee so you can sleep soundly with your purchase. The topper is also machine washable which means you can keep your topper feeling fresh and clean for longer. Silentnight is the UK’s most trusted sleep brand with over 75 years of experience in creating products for every sleeper.RETAINS HEAT: A unique 3-layer construction adds 7.5 togs of extra warmth to your bed. Featuring a heat-reflecting foil, thermal lining and a deeply filled quilted top.NO POWER NEEDED: Keeps your bed warm and cosy without the need for electricity, saving you money on your energy bills.QUILTED COMFORT: The top layer is quilted with super soft fabric and deeply filled for added comfort and warmth.EASYFIT STRAPS: Elasticated straps stretch comfortably over your mattress for a secure fit.MACHINE WASHABLE: Fully machine washable to keep your topper fresh and hygienic.GUARANTEE: 2-Years manufacturer’s guarantee for ultimate peace of mind. Made in UK Plain This product comes with a two-year manufacturer guarantee so you can sleep soundly with your purchase A unique 3-layer construction adds 7.5 togs of extra warmth to your bed Machine washable Microfibre Available in: Double - King - Single 4.49 5 DL D False Bedding 5.99 5.99 Silentnight Self-Heating Mattress Topper | Kaleidoscope