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 height Features 20 heat settings for maximum comfort and warmth, 10-hour auto shut off 2 separate temperature zones for queen- and king-sized mattress pad (2 controllers) Proprietary extra hotspot sensing technology for extra safety Compatible with automatic timers and smart home outlets (auto-run patent) Proprietary overheating technology grants additional protection and extends product life Temperature boost technology offers faster and safer heating Soft flexible wires provide durability and comfort Virtually no electro-magnetic field emissions 100% ul certified (US standard) Machine washable for easy care Manufacturer's 5-year limited warranty included # of Controllers: 1 # of Heat Settings: 20 Features: Deep Pocket, Electric Thread Count: 250 Bed Size: Full Fill Weight: 22 oz. of Fill Measurements: 75 Length/Inches, 54 Width/Inches Cord Length (ft.): 6 Ft Mattress Depth: Up To 21 In Deep Base Material: 100% Cotton Filling Content: 100% Polyester Care: Machine Wash Mattress Pads & Toppers Type: Mattress Pads Country of Origin: Imported