Beurer Heated Underblanket UB 190 CosyNight is perfect for warming those cold winter nights. With 9 temperature settings, and 2 zones, this underblanket is fast-heating, and provides the convenience of controlling the blanket via an app. This gives you the freedom to adjust settings at home and on the move. It comes with a Beurer safety system, illuminated LCD display, and a removable switch. The top side is cotton, while the underside is fleece. It is machine-washable.