Sleep in warmth and comfort with the Beautyrest 100% Cotton Heated Mattress Pad. Using Secure Comfort Technology. The 100% polyester and hypoallergenic filling offers soft and clean comfort. 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. Features: • 100% cotton fabric exterior, 100% polyester fill • Deep pocket fits mattress up to 21" in height • Features 20 heat settings for maximum comfort and warmth, 10-hour auto shut off • 2 separate temperature zones for Queen, King and Cal King sizes (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 Twin Size Description: 1 Heated Mattress Pad:39"W x 75"L + 18"D Twin XL Size Description: 1 Heated Mattress Pad:39"W x 80"L + 18"D Full Size Description: 1 Heated Mattress Pad:54"W x 75"L + 18"D Queen Size Description: 1 Heated Mattress Pad:60"W x 80"L + 18"D King Size Description: 1 Heated Mattress Pad:78"W x 80"L + 18"D Cal King Size Description: 1 Heated Mattress Pad:72"W x 84"L + 18"D Solid Warranty available China Imported Material & Care Polyester Cotton Machine washable