Size:Twin/Twin X-Large ï¾ |ï¾ Color:Aqua Add a pop color to your space with the Marie duvet cover set. This painterly floral look is a fresh take on floral with its Aqua color creating a marker look. Two decorative pillows use embroidery and fabric manipulation to pull this look together. A duvet cover is a protective cover for your comforter, most likely for your down comforter. Sometimes it’s referred to as a comforter cover. Duvet covers are not filled. It has an opening where you can insert your comforter. Filler not included.