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Comic Book Supplies → Comic Book Polyester (Mylar) Sleeves → POLYESTER (Mylar) Sleeve 4mil.
10-7/8 x 14-1/8". 2" BEADED FLAP.
Marvel and DC Treasury Edition Comics.

POLYESTER (Mylar) Sleeve 4mil.
10-7/8 x 14-1/8". 2" BEADED FLAP.
Marvel and DC Treasury Edition Comics.
Price: $27.18
Unit Price: $2.718
The Beaded Flap style (BF) has a third piece of polyester that is bead welded to the extended back of the sleeve, creating the flap. 
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.
Questions And Answers
Question:Is polyester Mylar the same as Mylar or are they the same thing? - John (01/16/2022)
Response:Polyester is the type of material. Mylar is a trade name used by Dupont.
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Customer Reviews

(5.00)stars out of 5
# of Ratings: 2
(Only registered customers can rate)
2" BEADED FLAP.
Marvel and DC Treasury Edition Comics. "/>
1. on 4/25/2024, said:
5 stars out of 5
It completely fulfilled my needs. I couldn't be more satisfied. The customer support team provided prompt responses. I'm extremely pleased with my purchase.
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2" BEADED FLAP.
Marvel and DC Treasury Edition Comics. "/>
2. on 5/19/2023, said:
5 stars out of 5
Outstanding product from a great company.
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