Our duck feather and down (85/15%) duvet comes with 100% cotton cover and feather and down filling. Baffle box construction ensures the filling is spread evenly across the duvet. Piped all round for a hotel like finish and double stitched for no loss of feathers. Please note feather items can contain a natural smell which should go away within a few days. Machine Washable for ease of care in the comfort of your own home.