Size: King, W230cm x L220cm (suitable for W150cm x L200cm King Bed). Filling: 85% White Duck Feather / 15% White Duck Down. The duvet is covered in a finely woven 233-thread count cotton and is pocket stitched to ensure the feather is equally spread across the duvet. Fully Machine Washable @ 40 degrees. Offers 100% Natural Comfort with an Anti Dust Mite Casing. Also Available from us in all UK Standard Sizes. VICEROY BEDDING is a registered trademark in the UK. Trade Mark Number 2610677.