"From HOMESCAPES, this duck feather and down Duvet is designed for winter comfort, combining a 15 tog rating with a natural filling for a warm, lofted feel. Finished to hotel-quality standards, it’s made with a 233 thread count cotton cover that’s treated to be fully down-proof and tested for performance. To help maintain an even spread of filling through the night, the duvet is made with continental box baffle construction, while twin-needle stitched edges are designed to reduce feather leakage and support long-lasting use. The filling is treated at high temperatures to the European Oeko-Tex Standard, with certification provided for each batch to confirm proper treatment and hygiene. Key features 15 tog winter duvet Filling: 85% white duck feather, 15% duck down Cover material: 100% cotton, minimum 233 thread count Down-proof cotton cover, tested for performance Continental box baffle construction for even filling distribution Twin-needle stitched edges to help prevent feather leakage Filling treated at high temperatures to the European Oeko-Tex Standard Pack includes one duvet Sizing Single: 135cm x 200cm (54"" x 79"") Double: 200cm x 200cm (79"" x 79"") King size: 230cm x 220cm (90"" x 87"") Super king size: 260cm x 220cm (103"" x 87"") Care Machine washable at 40°C. Do not bleach; tumble dry on low where recommended or line dry thoroughly."