NightCmfort 9-tog duvets tend to be the medium weight which is actually very effective all year round and is often referred to as spring duvets or autumn duvets. Hollowfibre bedding is very light, so you can get incredibly warm, low-tog bedding without having a thick duvet on your bed, which can be good for allergy sufferers as it is hypoallergenic. Microfiber duvets are stain-resistant and durable that can be easily washed and cared for. Iron is not needed. Duvets are combined together via buttons on all four corners, ties, or plastic fasteners. Available Duvet sizes are Single duvet - 135x200cm (53 inches x 78 inches approx), Double duvet - 200x200cm (78 inches x 78 inches approx), King duvet - 230x220cm (90 inches x 86 inches approx), Super King duvet - 260x220cm (102 inches x 86 inches approx).Product Specifications:Brand: NightComfort.Material: Outer Case: Soft Touch Microfiber.Inner Filling: Luxury Hollow Fiber.Tog Ratings: 4.5 TogSize: King duvet - 230x220cm (90 inches x 86 inches approx).Care Instruction: Machine Washable at 40 Degrees and easy to clean.