Sleep easy with the 60 W Pifco Single Heated Under blanket. Featuring three heat settings and a detachable controller, this winter-warmer is guaranteed to make those cold nights a whole lot snugglier.With overheat protection for safety and machine washable polyester construction, you can quite literally rest safe in the knowledge that your safety is taken care of and that post-use cleaning would not be a laborious task.Blanket fits over the mattress below the bottom sheet and can be used to warm the bed before you get in or alternatively on an ambient temperature for all night use.