The ultimate in bedding luxury, Hungarian goose down is very fine, light, and fluffy, which provides natural loft, meaning it traps more air than usual down. In a Hungarian goose down duvet, this ability increases the thermal efficiency and insulation, creating a lighter duvet that offers unrivalled warmth. Encased in a luxurious cotton cover and piped around the edges for a beautiful finish and increased durability. This double bed 13.5 Tog is perfect for keeping you warm through the colder winter weather. DOWN is the soft, fine, under plumage of birds found beneath the tougher exterior feathers. Very young birds are covered only in down. Down is very resilient and a wonderful natural form of insulation as it has good lofting characteristics, trapping small pockets of air efficiently to provide a thermal barrier. This helps the birds to stay warm in the winter and cool in the summer. Genuine Hungarian Goose Down is the world’s finest filling. It comes from a country with subzero temperatures so its warmth retention is exceptional. It is also finer, lighter, and softer than any other Goose Down. Our luxury duvets are filled with 100% genuine Hungarian Goose down. To add weight and shape they are finished with luxurious cotton and stitched in box construction to prevent the filling from redistributing. Hungarian geese come from a colder region of the world, thus making their down more thermal. The Filling the down used in this duvet offers exceptional warmth and plumpness. The down used (100% of the overall duvet) has been selected for its superior thermal qualities which guarantee maximum comfort. Only the very best materials are used in the manufacture of this duvet which guarantees protection against dust mites, bacteria, and mold. Because our Hungarian Goose down duvets are sterilized twice in the manufacturing process, they are classed as "hypo-allergenic", making them suitable for the whole family. The casing of this is also 100% Anti Dust Mite. Our duvet covers are constructed of numerous little pockets of down that help to eliminate cold spots and improve drape for added comfort and warmth. Our down duvets are machine washable too for easy cleaning. Shake them on a regular basis to keep up the down fluff. Filling of the duvet is 100% Hungarian goose down. Duvets are hypoallergenic, thus making it ideal to use by the whole family even for the allergy sufferers. Duvet is stitched in baffle box construction, making sure no cold spots and no moving around of down. The outer cover is made from pure down and dustproof cotton with a high thread count of 500. Duvets are machine washable at 40 degrees with a mild detergent. This Hungarian duvet in double bed size has 13.5 tog absolutely great for those cooler nights.