Snuggle under the luxurious Sleepwell Intelliheat Pure Cotton heated Duvet, the high quality cotton cover is breathable and the non allergenic polyester fibre filling has a sumptuous bounce back feel like goose down. The duvet is perfect for use all year round; Simply switch on the heat on chilly nights. Costs from only 1p to run. Features: Made from cotton. Single digital detachable controls. 6 heat settings. 5 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. Low energy consumption. Safety features: Overheat protection. General information: Reusable storage bag. Size W135, L200cm - suitable for single bed. Machine washable and suitable for tumble drying. 2 year parts and labour manufacturers guarantee.