Heat-regulated and extremely lightweight, this Quallofil-Air superior quality duvet (450g/m²) with Allerban anti-bacterial, anti-fungal and anti-dust mite treatment will keep you comfortable all night long. Product Details: • Quality & Value for its filling: made up exclusively of extra-fine silicon hollowfibres, ultra plump and ultra lightweight, 100% polyester, allowing better circulation of air and reducing build-up of moisture. • Cover: 100% cotton. • Cotton taped edging. • Discontinuous stitching. • Care Advice: machine washable at 40°C, tumble dry at low temperature. • Ideal for cooler bedrooms between 12°C and 15°C. • Treated with active biocide treatment. The active substance is 3- (trimethoxylsilyl) Quaternary Ammonium Chloride.