Product details:

Perfect Fit's Soft Heat electric warming mattress pad chases away the chills on those cold nights. Featuring a 250 thread count, 100% cotton face, one of nature's best fibers. The natural wicking and breathability of cotton makes this a perfect marriage of design and technology. Safe and Warm technology assures your mattress pad is safe in the presence of moisture and will not harm pets. Featuring 10 hour auto shut-off and over-heat safety protection. Designed with Invisiwire which is 5 times thinner than others, meaning the wires are virtually undetectable, resulting in a smooth finish to your bed. Each wire is individually wrapped in polyester fiber fill, providing more even heat distribution. No worries about washing. Invisiwire was created to withstand washing without damaging the wires. Rest comfortably with The World's Safest Mattress Pad. The easy to use controller offers 11 heat settings-perfect for finding the right temperature for you. Queen, King, and California King have 2 controllers, allowing personalized control if your preference differs from your sleeping partner. 16 Ft. Fits mattresses up to 18 inch deep. Machine wash and dry.