Perfect for providing extra warmth during the colder nights of the year, this 15 tog duvet from the premium Dorma range has a cosy spiral fibre polyester filling that will help to keep it fuller for longer and evenly distributed. This high quality 233 thread count duvet also features a sumptuous, crisp 100% cotton cover to provide maximum comfort all night long. Available in a choice of sizes and crafted in the UK, its anti-allergy properties make it ideal for allergy sufferers while itâs machine washable for easy care and cleanliness.Contains recycled fibre.