Design Weave Fresh Slumber Performance Comforter, King, Sage 400 thread count sateen fabric made from 80% cotton and 20% polyester with 100% polyester filling Includes 1 comforter: 104x90-inches Reduces humidity for drier sleep and more comfortable nights Self piping finish Machine washable and tumble dry Questions/Comments? Please call our customer service number directly at 888-288-8781.