Our blue and grey down alternative reversible solid comforter is made of 100% polyester and overfilled with premium microfiber which is soft, breathable and good for all season. Provides you a noiseless comfortable sleep.Box stitch design of comforter keeps the fill in place and the four corner tabs make the blanket extremely easy to put on any duvet cover.Machine wash in the gentle cycle with cold water, sun-dry or tumble dry on low when needed. Since our comforter is roll up packaged, eliminating the need for regular fluffing.