9 Heat settings: With 9 heat settings to choose from, this double electric blanket will help you adjust the right level of warmth for your body so you can sleep comfortably and snuggle up in a bed that's warm and cozy, whatever the weather outside. Helps painful joints: If you suffer from sore and aching joints, you'll be aware that applying a heat source can be an excellent way to dull the pain. Using a warm electric blanket can make you more comfortable, reducing aches and pains. Energy efficient: Heat yourself and not your home as our bed blankets will benefit you by cutting down the cost of your energy bills as it just costs approximately 2p per hour to run on the highest heat setting with a power level of 60W. Sleep safe: For your peace of mind, our luxury electric blankets come with an Auto Shut Off feature to prevent overheating and are BEAB-approved meaning you don't have to worry about the quality and safety of our heating blankets for beds. Slumberdown Size: Super King