The duvet is safe to wash at 60 degrees Celsius. Featuring a soft cotton lining, it´s PFAS-free, machine washable, and perfect for 3-4 seasons. Shell: Polynylon, 85% polyester / 15% nylon. Textile Fiber Composition: Shell: 85% Polyester, 15% Nylon Lining: 100% Cotton Filling: 100% Polyester Carrybag: 100% Polyester.