dustjacket
nounUK /ˈdʌstˌdʒækɪt/
US /ˈdʌstˌdʒækɪt/
A dustjacket is a paper cover that goes around a book to keep it clean.
She took the dustjacket off the book before reading it.
OTHER MEANINGS
2. A removable outer cover protecting a book's binding.
The dustjacket was torn at the top of the spine.
3. A decorative wrapper used for display or marketing of a publication.
The publisher printed a bright dustjacket to attract readers.
4. A protective sleeve for a record or similar item.
He slid the vinyl record back into its dustjacket.