100% polyester fibre filling extra warm 13.5 tog rating luxuriously filled with extra fine fibres which mimic natural feel of down 100% cotton cover with a 350 thread count machine washable, tumble dry on a low heat setting transform your sleep with the dorma dream duvet, where luxury meets comfort. With a 350 thread count sateen cotton rich fabric, this duvet offers a supremely soft touch. Its synthetic fill mimics the plushness of down, providing a full yet airy feel. The satin piped edge adds a touch of elegance, making it a refined choice for your bed. Engineered for durability and easy maintenance, this machine washable duvet combines practicality with indulgence, enhancing your bedroom's ambiance.dormaestablished in 1921, dorma is a british heritage brand synonymous with quality, luxury and impeccable attention to detail. Dorma our name is your guarantee. This collection is verified by oeko tex and independently tested for harmful substances as well as manufactured using sustainable processes under socially responsible working conditions.