Experience ultimate comfort this winter with the Stay Warm Double Superior Heated Underblanket. Crafted from super soft 500gsm polyester, this electric blanket offers a smooth sleeping surface and fast pre-heat to warm your bed quickly and safely. The dual controls allow you and your partner to independently set your preferred temperature on each side, with three heat settings (low, medium, high) for personalized comfort. Securely fits a double mattress with included bed ties. Suitable for all-night use on the lowest setting, it features overheat protection for added safety. Easy to care for, it's machine washable at 30°C after detaching the cord and controllers. Comes with a 3-year guarantee and meets UK safety standards. Ideal for double beds, providing warmth and comfort all winter long. Keywords: Heated underblanket, electric blanket, double bed, dual control, white, polyester, Stay Warm, 150x140, fast pre-heat, machine washable, safety features, 3 heat settings, partner control, winter comfort.