This super soft, warm, Serta Mattress Pad has an easy-to-use controller with personal heat settings. Constructed with ultra-thin wires for added comfort. Should you get too cozy and nod off, don't worry - this Mattress Pad has an auto shut-off timer to keep you safe and sound and also save energy. Machine wash and dry. Manufacturer's warranty. IMPORTANT - NOT for infants, children, incapacitated person or animals and pets. Twin Size 62"" X 84""Full Size 72"" X 84""Queen Size 84"" X 90""King Size 100"" X 90"" *Note for Customers Outside of North America. These heated bedding products were made to work with 110V Electrical systems. If you live in a country that utilizes a different electrical system you may need to use a converter for these products to function. The act of using a converter automatically voids the warranty on these products. **All Serta Blankets are rigorously tested and approved by a third party (UL or ETK Intertek) to comply with current industry safety standards. Please reference the included use and safety instructions to insure safe operation.