Transform chilly nights into cosy comfort with this self-heating mattress topper that adds up to 7.5 tog of extra warmth without using electricity. It has three layers a heat-reflecting foil that traps your body warmth, a thermal lining for insulation, and a deeply filled quilted top soft against your skin. The topper fits double beds and secures with elasticated corner straps, staying firmly in place. The three-layer construction retains warmth naturally, keeping your bed inviting throughout colder months. The cover and filling are durable and easy to care for, with a sturdy backing that keeps the topper in shape. It's machine washable at 40C and tumble dryer safe, which means keeping it fresh and clean is straightforward and hassle-free. The straps slip over your existing mattress in moments, making fitting quick and simple. Whether you're refreshing your own bed or kitting out a guest room, this topper delivers reliable warmth when the temperature drops. Set includes: 1 Mattress Topper. Suitable for double beds. Size L193, W137, D3cm. Cover made from 100% Polyester. Non woven reverse. 100% Polyester filling. Secured by elasticated corner straps. Cover is machine wash as synthetic at 40C and suitable for tumble drying. EAN: 5012701569392.