Soft and sensual: 400 thread count double brushed cotton blend. Our hotel style duvet insert is extra soft, plush, fluffy, and the silky feel ensures a comfortable sleep. ALL SEASON DUVET The oversized king comforter measures 120 x 98 inches. No matter hot or cold weather, the premium duvet provides suitable warmth for the year-round comfort of most people. SLEEP IN CLOUDS We select strictly responsibly harvested down fibers and feather fiber fillings that are fluffy and odorless. The high quality down and feather fibers provide a soft and lightweight but highly insulating duvet insert. DURABLE The duvet insert with cassette design makes the most of the loft, so the fillings remain evenly distributed throughout the comforter. The elegant boxes and double stitched edge with silver piping look decorative and 8 corner tabs help to attach the duvet cover easily. STAYS FRESH A duvet bag for storage is included to keep the duvet insert fluffy and fresh. It is recommended to put the blanket in the dryer for 10 minutes at low temperature before first use. Spot clean or dry clean if possible. It is recommended to use it as a duvet with a duvet cover.