Polyester Sleeves

Collection Protection Supplies

1-800-767-2247

Our Polyester (Mylar) Folder Sleeves are made from crystal-clear, 4 mil archival polyester, approved by the Library of Congress for indefinite archival storage. We use Dupont inert Melinex or a suitable equivalent. Our polyester has passed the Photo Activity Test (P.A.T.) which means that items put in the sleeves with not react with polyester material. Polyester is a sturdy, crystal-clear material with a glass-like surface and archival properties that are approved by museums for indefinite storage (hundreds of years).
We stock four categories of 'Folder' Sleeves:
• First Day Covers
• Negative Strips
• Movie Posters
• Digital Photo
These sleeves are sealed on one long side, which allows for easy document insertion and retrieval. Once inserted sleeved contents remain in place due to the static-cling nature of polyester material.

Click on links above or Scroll down for sizes and pricing.

First Day Cover US #6 envelope. 'Folder' Sleeve.
3-7/8 x 6-7/8". 4 mil POLYESTER.
Indefinite Storage.
Base SKU:sfdcus6petf

First Day Cover
US #10 Envelope 'Folder' Sleeve.
4-1/2 x 9-7/8". 4 mil Polyester.
Sealed on one long side.
Indefinite Storage.
Base SKU:sfdcus10petf

Negative Strip Protectors. 1-9/16 x 9-1/4".
Holds 4 & 6-Frame 35mm Negative Strips.
Made from 4 mil Polyester (Mylar).
Comes with 1/4" lip.
Base SKU:s35mmrlip

120 Negative Strip Protectors. 2-9/16 x 10-1/16".
Made from 4 mil Archival Polyester.
Holds both 3 & 4-frame 120 Negative Strips.
1/4" lip.
Base SKU:s120mmrlip

Lobby Card/Print 'Folder' Sleeve.
14-1/4 x 11-1/4". 4 mil Polyester.
Sealed one long edge.
Indefinite Storage.
Base SKU:s1114f

Jumbo Lobby Card 'Folder' Sleeve.
17-1/4 x 14-1/4". 4 mil Polyester.
Sealed one long edge.
Indefinite Storage. **NEW**
Base SKU:s1714f

16 x 20 'Folder' Sleeve.
20-1/4 x 16-1/4". 4 mil Polyester.
Sealed on one long side.
Base SKU:s2016f

Window Card Poster 'Folder' Sleeve.
22-1/2 x 14-1/2". 4 mil Polyester.
Sealed on one long side.
Base SKU:s2214f

Rock & Personality Poster 'Folder' Sleeve.
28-1/2 x 20-1/2". 4 mil Polyester.
Sealed on one long side.
Base SKU:s2820f

Half Sheet Poster 'Folder' Sleeve.
28-1/2 x 22-1/2". 4 mil Polyester.
Sealed on one long side.
Base SKU:s2822f

Insert Poster 'Folder' Sleeve.
36-1/2 x 14-1/2". 4 mil Polyester.
Sealed on one long side.
Base SKU:s3614f

One Sheet Poster 'Folder' Sleeve.
40-1/4 x 27-1/2". 4 mil Polyester.
Sealed on one long side.
Base SKU:s4027f

One Sheet Poster 'Folder' Sleeve.
41-5/16 x 27-1/2". 4 mil Polyester.
Sealed on one long side.
Base SKU:s4127f

British Quad Poster 'Folder' Sleeve.
40-1/2 x 30-1/2". 4 mil Polyester.
Sealed on one long side.
Base SKU:s4030f

Digital Photo 'Folder' Sleeve for
8-1/2 x 11" Images.
11-1/4 x 8-3/4". 4 mil Polyester.
Sealed on one long edge.
Base SKU:s811f

Digital Photo 'Folder' Sleeve for
9 x 12" Images.
12-1/4 x 9-1/4". 4 mil Polyester.
Sealed on one long edge.
Base SKU:s912f

Digital Photo 'Folder' Sleeve for
12 x 18" Images.
18-1/4 x 12-1/4". 4 mil Polyester.
Sealed on one long edge.
Base SKU:s1218f

Digital Photo 'Folder' Sleeve for
18 x 24" Images.
24-1/4 x 18-1/4". 4 mil Polyester.
Sealed on one long edge.
Base SKU:s1824f

Digital Photo 'Folder' Sleeve for
20 x 24" Images.
24-1/4 x 20-1/4". 4 mil Polyester.
Sealed on one long edge.
Base SKU:s2024f

Digital Photo 'Folder' Sleeve for
24 x 30" Images.
30-1/2 x 24-1/2". 4 mil Polyester.
Sealed on one long edge.
Base SKU:s2430f

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