Mylar: Comic, Magazine 25pk 4Mil comic books

Package of 25 4-mil comic book sleeves (9-in. x 11-1/2-in. with 1-1/2-in. top flap), made from archival polyester (Mylar brand), an inert material with crystal clear transparency (used by the Library of Congress to protect rare doccuments). Mylar sleeves will not discolor, damage, or adhere to items they protect. These sleeves provide beautiful and timeless protect along with extra support for fragile comics or other doccuments. Because these sleeves are semi-rigid, a backing board in not required in most cases. However, should a backing board be used, we recommend it be acid free.