Flannel Duvet Cover Set - MeshesProduct Description Material 100% brushed cotton flannel, ultra soft and warm. Our cotton sheets are thicker and more dense, especially suitable for autumn and winter. Design Buffalo check gingham plaid geometric checker pattern, decorating coconut buttons on the comforter cover and pillow shams. Using hiding button closure, convenient to get your duvet in and out. And there are four secure corner ties to make sure no shifting of the comforter.