Made of plush polyester and incredibly safe to use, the Serta Luxe Plush Electric Warming Blanket makes your bed the coziest. This electric warming blanket features non-hazardous, low-voltage technology plus a 10-hour automatic shut-off and over-temperature protection. Its preheat and hold features and machine-washable convenience make this the perfect winter addition to your bed. The wires are virtually unnoticeable. This electric blanket comes in your choice of size and in a variety of handsome colors, too.