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These 2 mil and 4 mil sleeves are made of museum grade Archival Polyester (Mylar), an inert material of the highest clarity. Polyester will not discolor, damage or adhere to items placed inside it. It is a sturdy film that will give extra support to fragile documents. We use DuPont inert Melinex or a suitable equivalent. Polyester is used worldwide in museums, libraries and archives. Our polyester material is approved by the Library of Congress for archival storage. This material has passed the Photo Activity Test.

Scroll down for product sizes and pricing. 


   POLYESTER (Mylar) Sleeve
POLYESTER (Mylar) Sleeve
Description: 13 x 13   2 mil with 1" flap
Use for 12" Records.
Base SKU: s1313m2

 
   POLYESTER (Mylar) Sleeve
POLYESTER (Mylar) Sleeve
Description: 12-5/8 x 12-5/8"   4 mil NO flap.
These mylar sleeves are a snug fit, so that they are able to fit in our LP storage boxes XLP65 and XLP65PC.
Base SKU: s1212r

 
   POLYESTER (Mylar) Sleeve
POLYESTER (Mylar) Sleeve
Description: 13 x 13"   4 mil NO flap.
Use for 12" Records
Base SKU: s1313r

 
   BACKINGS for LP Records. 12-3/4 x 11-7/8"
BACKINGS for LP Records. 12-3/4 x 11-7/8"
Description: .040 Super Acid-Free Board
Buffered. All white. Lignin-free. Acid-free. Contaminant-free. Meets Library of Congress archival standards.
Base SKU: kaf401313