POLYESTER (Mylar) Sleeve. For 9 x 12 Prints & Posters. 4mil. 9-1/4 x 12-1/4". NO Flap. Indefinite storage.
Details
Archival Polyester (PET) (Mylar) is an inert material of the highest clarity. We use DuPont inert Melinex® or a suitable equivalent. Polyester (Mylar) will not discolor, damage, or adhere to items placed inside it. It is a sturdy film that beautifully displays, timelessly protects, and gives extra support to fragile documents. Used by the Library of Congress. Indefinite Storage.