The perfect spot for winter hibernation starts with Coyuchi's cozy flannel duvet cover in undyed organic cotton. The warm natural hue and serene simplicity let you layer on color and pattern all season long. Self-backed and finished with a simple knife-edge and coconut shell buttons. Inside ties. Coyuchi produces high-quality linens from minimally processed natural and organic fibers in responsible and ethical factories. With a relaxed palette inspired by the coast, Coyuchi products are crafted without compromise to design, comfort or the planet.