The Ultra Deluxe silk Comforter for Winter: Fabric is 100-Percent Cotton,305TC,dobby; Filling 100-Percent Mulberry silk, Cal-king size is 104-Inch by 95-Inch (6.7-Pound Silk Filled);king size is 102-Inch by 89-Inch (6.2-Pound Silk Filled);Queen size is 92-Inch by 89-Inch (5.6-Pound Silk Filled);Twin size is 64-Inch by 88-Inch (3.9-Pound Silk Filled),The Ultra deluxe comforter allowing for no cold or hot spot, and adjusting precisely to your body temperature. Don't miss to feel the esthetic charm. Using duvet cover is highly recommended for silk comforter. Silk comforter is dry clean only. Air out in the dryer every once a while is commended. Spot cleaning is highly recommend.