Duo duvet, made of siliconised hollow fibre, Ecolofil feels soft like down, consisting of two fillings (150 g + 300 g) for year-round use It is made with an anti-mite treatment that creates an effective barrier against these micro-organisms and minimises the symptoms of allergies such as coughing and sneezing, which can interrupt our sleep There are two different duvets that can be used either with buttons or individually, 150g, 300g or 450g to suit your needs Features a simple push button system with buttons for combination in the form of duo Easy care as it can be machine washed and tumble dried on low. It is recommended to wash it with several tennis balls so that the filling is not sticky