1, 100% Cotton outshell 2, Inserted 100% polyester fibre 3, With piping alround or double stiching 4,10.5 ... natural goose down filled duvets.Some 5 star hotel prefer synthetic duvets while others perfer natural filled luxury duvets.Our Microfibre ... . Product Features 1, 100% Cotton outshell 2, Inserted 100% polyester fibre 3, With piping alround or double stiching 4,10.5 ...