From Noble Excellence, this mattress pad features: Invisiwire Technology® wires are so small and flexible they are nearly indetectable. Our softest and smoothest electric mattress pad with Invisiwire Technology. soft and warm luxurious comfort  polyester pad cord length 19 ft. two adjustable temperature controllers on qyeen and king, one controller on twin machine washable twin approx. 39" W x 75" L + 15" drop queen approx. 60" W x 80" L + 15" drop king approx. 78" W x 80" L + 15" drop each size sold separately Imported. Noble Excellence Electric Mattress Pad with Invisiwire Technology®