Duvet Covers SetDuvet Covers are just another name for comforter covers. It's best idea to cover and protect your down comforter with a duvet cover. Another great reason to buy a duvet cover is to use it over you current comforter or any older comforter you may have put a side because you don't like it any more. Duvet covers are not bulky and can be easily stored or washed much easier. You can also use your duvet cover alone in the summer or spring for lighter feel and use it to cover your comforter or blanket during the colder season. Duvets come in different styles, colors, patterns and are a snap to use. When using duvet covers, your decor possibilities just became endless.