Our exclusive light cream striped silk and cotton comforter cover is the heaviest down proof fabric and it is tightly woven with highest 2-ply 450 thread count to prevent down from escaping your comforter. This gorgeous piece of bedding features a 51% silk and 49% cotton down proof cover with an industry-leading thread count. Sleeping under the heaviest down comforter is like nothing you''ve ever known. This unique down comforter also features baffle box stitch through design that amazingly prevents shifting of down in the duvet keeping it evenly distributed for greater warmth. • Comforter Shell Material: Down-proof 51-Percent Silk, 49-Percent Cotton• Thread Count: 2 Ply 450 Thread Count per Square inch• Striped White Down• Fill Power: 550• Fill Weight: Depending on Size See Measurements• High-Extra Warmth, hypoallergenic• Workmanship: Double stitched with 1 inch Gusset & 4 corner ties• Royal Hotel Brand• Dry-Clean onlyAvailable Sizes Include:• Full/Queen: 1 Queen Comforter 90 wide x 90" long with 48 ounces off white down fill.• King/Cal-King: 1 King/Cal-King Comforter 106 wide x 90" long with 56 ounces off white down fill.