Serta Luxe Plush Low-Voltage Electric Heated Micro-Fleece Throw, Pearl Safe and Warm patented non-hazardous low voltage technology is safer than others on the market; saves energy; sleep better in a cooler room No more bulky wires; The ultra-thin wires inside the Serta blankets are almost impossible to feel; No annoying hot or cold spots Convenient temperature pre-heat and hold feature makes sure that your bed is warm Luxurious incredibly soft micro-fleece fabric that is completely machine washable and dryable without any pilling, shrinking or stretching Coordinating Serta low-voltage micro-fleece throws also available thru Amazon