100% Polyester SOFT AND COMFORTABLE ?C Never climb into cold sheets again. Electric Heated Blanket in ultra soft comfortable comfort knit sherpa fabric. Twin and Full size include 1 controller. Queen and King size include 2 controllers. 100% Polyester. THERAPUETIC FULL BODY RELIEF WITH ADJUSTABLE HEAT SETTINGS ?C The cozy Comfort Knit Sherpa blanket has ultra-thin heating wires for added comfort. The Analog Controller Includes Auto-off and 10 heat settings. SAFETY – ADVANCED TECHNOLOGY ?C The controller includes an auto shut-off timer for safety and reliability. All Pure Warmth Blankets are tested and approved by a 3rd party (UL or ETK Intertek) to comply with industry safety standards. MACHINE WASHABLE and EASY CARE ?C The blanket is machine washable and dryer safe for your convenience. Make sure to disconnect and remove controllers before washing. Do not use an extension cord or power strip for these blankets. WARRANTY – 5 year limited manufacturer’s warranty.