Couples sleep comfortably with adjustable warmth controls for each side. Soft, microfleece has ultrafine wires for comfort. This heated mattress pad heats evenly with no hot or cold spots. Automatic shut-off feature. Fits any mattress depth. ETL® classified as non-hazardous low voltage for added protection, even if the warming layer becomes wet. Corner anchor bands hold it in place on top of your mattress pad. Logic™ Label takes the guesswork out of where to start making your bed. Do not use warming layer with an adjustable base. Learn about the difference between a .