Experience cozy nights with the Staywarm Superior Electric Underblanket. Designed for ultimate comfort, this underblanket features fast pre-heat, ensuring your bed is warm and inviting in no time. Crafted with soft 500gsm polyester and thin wires, it provides a smooth surface for sleep. Choose from low, medium, and high heat settings easily controlled with the simple controller. Securely fit it to your mattress using the included bed ties and loops. Enjoy customizable warmth throughout the night with the option to keep it on a low setting or use the pre-heat function and switch off before sleeping. Safety is paramount, with built-in overheat protection that automatically shuts down the blanket if excessive heat is detected. Maintenance is easy: simply remove the detachable cord and controller, then machine wash at 30°C in a wash bag. Air dry completely before next use. This underblanket is covered by a 3-year guarantee and conforms to UK and EU safety standards. Summary: Staywarm electric underblanket, single size, white, medium, fast pre-heat, 500gsm polyester, adjustable heat settings, secure fitting, safety overheat protection, machine washable, 3-year guarantee.