This Slumberdown Sleepy Nights Electric blanket is a great value heated underblanket to keep you cosy on those colder nights. It has 3 heat settings so you can adjust to the right level of warmth for your body. This blanket has a detachable controller which allows the blanket to be machine washed, keeping your sleep space clean and hygienic. This product is also BEAB approved meaning you don't need to worry about the quality and safety of this heated underblanket. Available in 4 sizes: Single - 61cm x 122cm Double - 107cm x 122cm King - 142cm x 150cm Super King - 172cm x 150cm. Envelop yourself in warm comfort with the Slumberdown Sleepy Nights Electric Blanket. It's designed with easy-fit straps to securely fit on your mattress to a depth of 30cm. Featuring three adjustable heat settings, you can set the warmth to the perfect level using the handy controller. Machine washable, it's easy to clean and comes along with a storage bag for convenient storage. Unfurl this blanket on your bed and indulge in a warm and comforting sleep on those chilly nights.