The Super King Size Washable Fleece Heated Mattress Cover is a great way of giving a warm and comfortable feeling while sleeping which will ultimately keep you feeling fresh all day long. The Morphy Richards Washable Fleece Heater Mattress Cover is made up of extra thick material and it contains ultra-thin nano wires guaranteeing ultimate comfort. The heated mattress will not only provide warmth in the cold nights but also it will help to save money from your heating bills. It is safe and easy to wash as it is machine washable and tumble dry safe.