Sleep in warmth and comfort with the beauty rest 100% cotton heated mattress pad. Using secure comfort technology, this electric mattress pad features 20 heat settings that provide maximum warmth and comfort as well as a 10-hour shut-off timer for safety. The 100% polyester and hypoallergenic filling offers soft and clean comfort, while fitting mattress up to 21-inches deep. Virtually eliminating magnetic field emissions, this heated mattress pad is machine washable and provides excellent warmth, comfort, and safety through the night. Twin and full sizes come with 1 controller and queen and king sizes come with 2 controllers. Comes with manufacturer’s 5-year warranty.100% cotton fabric, deep pocket fits up to 21" mattress heightFeatures 20 heat settings for maximum comfort and warmth, 10-hour auto shut off2 separate temperature zones for queen- and king-sized mattress pad (2 controllers)Proprietary extra hotspot sensing technology for extra safetyCompatible with automatic timers and smart home outlets (auto-run patent)Proprietary overheating technology grants additional protection and extends product lifeTemperature boost technology offers faster and safer heatingSoft flexible wires provide durability and comfortVirtually no electro-magnetic field emissions100% ul certified (US standard)Machine washable for easy careManufacturer's 5-year limited warranty included# of Controllers: 1# of Heat Settings: 20Features: Deep Pocket, ElectricThread Count: 250Bed Size: FullFill Weight: 22 oz. of FillMeasurements: 75 Length/Inches, 54 Width/InchesCord Length (ft.): 6 FtMattress Depth: Up To 21 In DeepBase Material: 100% CottonFilling Content: 100% PolyesterCare: Machine WashMattress Pads & Toppers Type: Mattress PadsCountry of Origin: Imported Beautyrest Cotton Deep Pocket Heated Mattress Pad-20 Heat Settings Pad