With a microfiber top layer and your choice from 10 temperature settings, this mattress pad will keep you comfortable all winter long. This pad features a 1-12 hour automatic shutoff timer and overheating protection for added peace of mind.Soft microfiber topIts mattresses up to 18" in heightFeatures 10 specialized heat settings, 1-12 hour auto shutoff timer2 separate temperature zones for queen, king and cal king sizes (2 controllers)Power cord 6 ft long, controller cord 11 ft longOverheating protectionETL certifiedMachine washableIncludes manufacturer's 5-year warrantyFeatures: Heated, WashableManufacturer Warranty: 5 Year LimitedBed Size: TwinMeasurements: 75 Length/Inches, 39 Width/InchesMattress Depth: Up To 15 In DeepBase Material: 100% PolyesterFilling Content: 100% PolyesterCare: Machine WashDecor Styles: CasualThickness: Thickness Not ProvidedComfort Level: ModerateMattress Pads & Toppers Type: Mattress PadsCountry of Origin: Imported Serta Microfiber Heated Mattress Pad