Quilt Our white goose down duvet is filled with 90% white goose down. They are end to end sewn and available in a variety of fill weights. Specifications: 1) 233~400 thread count, 100% cream cotton cover with piped edge 2) end to end sewn through square, woven box baffling 3) soft and warm 4) double needle stitching and piping edge 5) size and fill weights: A) 150 x 200cm, 450g B) 220 x 200cm, 660g C) 240 x 220cm, 790g D) 260 x 240cm, 940g 6) size and fill weight: uk and us standard A) twin: 38 oz. Fill weight; measures 68"w x 88"l B) full/queen: 51 oz. Fill weight; measures 88"w x 88"l C) king: 60 oz. Fill weight; measures 103"w x 92"l D) twin: 30 oz. Fill weight; measures 62"w x 86"l E) full/queen: 40 oz. Fill weight; measures 86"w x 86"l F ) king: 50 oz. Fill weight; measures 101"w x 91"l 6) other sizes available upon request Outer packing: Non-woven pvc bag with zipper and handle