Polyester L-Sleeves

These Polyester (Mylar) L-Sleeves are made from crystal-clear, 4 mil archival polyester, approved by the Library of Congress for indefinite storage. We use Dupont inert Melinex or a suitable equivalent. Our polyester has passed the Photo Activity Test (P.A.T.) which means that it is safe for long-term storage.


The unique construction of L-Sleeves (two adjacent sealed sides) allows for quick and safe insertion and removal of photos and prints when not in permanent storage.

Scroll down for sizes and pricing.

Polyester L-Sleeves for 20 x 24" prints
Polyester 'L' Sleeves for
20 x 24" prints.
20-1/4 x 24-1/4". 4 mil Polyester.
Sealed on 2 adjacent sides.

Base SKU:slv2024

Rock & Personality Poster Mylar Sleeves
Polyester(Mylar) L-Sleeves for
Rock & Personality Posters.
20-1/2 x 28-1/2". 4 mil.
Sealed on 2 adjacent sides.

Base SKU:slvrpp

Polyester L-SLEEVES for Half Sheet Posters
Polyester L-Sleeves for
Half Sheet Posters.
22-1/2 x 28-1/2". 4 mil.
Sealed on 2 adjacent sides.

Base SKU:slvhsp

Marvel Poster Mylar L-Sleeves
Polyester L-Sleeves for
Marvel Posters.
22-1/2 x 36". 4 mil.
Sealed on 2 adjacent sides.

Base SKU:slvmp

Mylar L-Sleeves for 24 x 30" prints
Polyester 'L' Sleeves for
24 x 30" prints.
24-1/2 x 30-1/2". 4 mil Polyester.
Sealed on 2 adjacent sides.

Base SKU:slv2430

Polyester L-SLEEVES forCurrent Posters
Polyester L-Sleeves
for Standard Posters.
24-1/2 x 36-1/2". 4 mil.
Sealed on 2 adjacent sides.

Base SKU:slvsp

Polyester L-SLEEVES forOne Sheet Posters
Polyester L-SLEEVES for
40" One Sheet Posters
27-1/2 x 40-1/4". 4 mil.
Sealed on 2 adjacent sides.

Base SKU:slvosp40

Polyester L-SLEEVES for One Sheet Posters
Polyester L-SLEEVES for
41" One Sheet Posters.
27-1/2 x 41-5/16". 4 mil.
Sealed on 2 adjacent sides.

Base SKU:slvosp

Polyester L-SLEEVES forBritich Quad Posters
Polyester L-SLEEVES for
British Quad Posters.
30-1/2 x 40-1/2". 4 mil.
Sealed on 2 adjacent sides.

Base SKU:slvbqp

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