Stay warm and cosy all winter with this premium MONHOUSE flannel electric underblanket. Designed for double beds (120x135cm), it features 3 adjustable heat settings for personalised comfort. The soft flannel fabric feels luxurious against the skin. With efficient heating technology, it warms up quickly and evenly, helping to soothe aching muscles. Safety is assured with automatic overheat protection. The detachable controller makes it machine washable for easy care. Ideal for cold nights, this heated mattress cover provides full-body warmth and can be shared. Pre-heat your bed before climbing in for instant cosy comfort.