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  • POLYESTER (Mylar) Sleeve. 4-1/4 x 6-1/8" (inside) 4 mil. NO flap. Use for 4 x 6" Large Postcards. Indefinite storage.

POLYESTER (Mylar) Sleeve. 4-1/4 x 6-1/8" (inside) 4 mil. NO flap. Use for 4 x 6" Large Postcards. Indefinite storage.

SKU: S46R
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Details

4 x 6" Large Postcard Sleeves
4 mil ARCHIVAL POLYESTER
4-1/4 x 6-1/8" (inside dimensions)
4-5/16 x 6-3/16" (outside dimensions)

These museum grade polyester sleeves are archival, crystal clear and approved by the Library of Congress for indefinite storage (hundreds of years).

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