78 rpm/10" Record Mylar (Polyester) Sleeves

Archival Armor Polyester Protective Sleeve symbol.

MUSEUM GRADE ARCHIVAL POLYESTER 
These 78rpm Record/ 10" Record Jacket Sleeves  are made of 4 mil archival polyester (Mylar), an inert material of the highest clarity.

Polyester will not discolor, damage, or adhere to items inside it. We use DuPont inert Melinex or a suitable equivalent. This material has passed the Photo Activity Test. Use polyester (Mylar) to ensure your collectibles remain in excellent condition for years to come. Polyester is used worldwide in museums, libraries, and archives. The Library of Congress approves our polyester material for archival storage.
POLYESTER (Mylar) Sleeve for 78rpm Records
78 rpm/10" Record POLYESTER (Mylar) Sleeves
10-5/8 x 10-5/8" 4 mil. NO flap.

Base SKU:s1010r

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