45 rpm Record Mylar (Polyester) Sleeves

Archival Polyester (Mylar) is an inert material of the highest purity and clarity. Our polyester film is approved by The Library of Congress for the indefinite care of paper products (hundreds of years). Polyester (Mylar) will not discolor, damage or adhere to items placed inside it. We use DuPont inert Melinex® or a suitable equivalent.