MILDLY Duvet Cover Sets 3 Pieces are designed with a unique aesthetic pattern inspired by nature. The set includes a King size duvet cover and two pillow shams, all made from 100% cotton sateen for a silky soft, smooth, and breathable feel. The duvet cover features a hidden zipper closure and 4 corner ties to keep your comforter in place. The set is easy to care for with machine wash or hand wash in cold water, and it is perfect for adding a vibrant and tranquil atmosphere to your bedroom.