Blue Nile Mills warmly brings you cotton flannel duvet cover sets in an attractive ever-popular trellis design. Soft and warm all-season flannel cotton construction ensures cozy comfort, yet light enough to use all year long. Flannel fabric is both breathable and wrinkle resistant as well. The cotton flannel is brushed on both sides to give you soft comfort. Available in a variety of sizes and warm colors also can pair with matching sheet sets and extra pillowcase sets for an impressive coordinating look.