ACID-FREE
Record Sleeves for 12-inch Vinyl Records & Album Covers: Maintaining a vinyl collection is also challenging because it's not just the vinyl discs you need to take care of but even the quality of the album covers and artwork. The Vinyl Album Storage Sleeves are specially designed and made to be acid-free in order to prevent the album covers from discoloration--keeping your vinyl record collection in pristine condition for a long time.