A duvet cover is a fabric shell that protects a duvet, similar to a pillowcase. It is a washable cover for a quilted duvet insert, and its purpose is to protect the insert from dust, stains, sweat, and other residues. It is usually easier to clean than the duvet itself and is available in various materials, providing softness, breathability, and moisture-wicking absorption
. The duvet, on the other hand, is a type of bedding that is a soft flat bag filled with down, feathers, wool, or a synthetic alternative, and is protected with a removable cover, the duvet cover
