Double Size Luxury Fleece: Experience the luxurious ultimate night’s sleep in comfort and warmth with the Sweet Dreams Heated Luxury Fleece Mattress Cover made from polyester 400gsm and Synthetic wool fleece 280gsm. This isn’t just any ordinary mattress cover. It is manufactured using the finest materials to offer you pure comfort when relaxing or sleeping. Ultrasonic Welding Fabric: Using state-of-the-art ultrasonic welding which in turn means high-quality heat retention, low energy consumption and quick heat-up time. Perfect for electric mattress covers in those cold chilly Autumn and Winter nights. Fitted Skirt: One size skirt fits all mattresses, the Sweet Dreams electric blanket is designed to fit any size mattress, with its deep elasticated skirt you can be sure to have this electric blanket fitted securely to your mattress within minutes and its design means it stays firmly in place. Dual Controls: Fitted with dual controls this is a game changer for couples who require different comfort settings. Each controller has 9 timers and 9 heat settings so you can set your ideal comfort and sleep environment to perfection. Safety First: Sweet Dreams always put safety first. All our products meet the stringent UK requirements and testing. Our electric blankets are fitted with advanced overheating protection devices to give you peace of mind when relaxing or sleeping.