Postcard Sleeves

Collection Protection Supplies

Store your POSTCARDS in our POLY BAGS to protect them from dust, dirt, finger oils and other airborne pollutants. Our bags hold size and thickness tolerances and come in printed outer bags for easy product identification.

We stock postcard bags made out of polyethylene, polypropylene and polyester. All of these materials have passed the Photo Activity Test (P.A.T.) certifying that they are safe for long-term storage. For poly material specifications click here.

Scroll down for product sizes and pricing.

Short video on postcard sleeve materials

REGULAR Postcard Sleeve. 3-5/8 x 5-5/8".
2 mil Polyethylene. No flap.

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Description:	REGULAR Postcard Sleeve 3-5/8 x 5-5/8" 2 mil POLYETHYLENE NO flap. Image shows clear sleeves in a packing bag.
Base SKU:	spcr2
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REGULAR Postcard Sleeve. 3-5/8 x 5-5/8"
4 mil Polyethylene. No flap.

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Description:	REGULAR Postcard Sleeve 3-5/8 x 5-5/8" 4 mil POLYETHYLENE NO flap. Image shows clear sleeves in a packing bag.
Base SKU:	spcr4
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REGULAR Postcard Sleeve. 3-5/8 x 5-5/8".
1.5 mil POLYPROPYLENE. No flap.

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Description:	REGULAR Postcard Sleeve 3-5/8 x 5-5/8" 1.5 mil POLYPROPYLENE No flap. Image shows clear sleeves in a packing bag.
Base SKU:	spppcr
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REGULAR Postcard Sleeve. 3-3/4 x 5-5/8" (inside dimensions)
4 mil POLYESTER (Mylar). No flap.

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Description:	REGULAR Postcard Sleeve 4 mil ARCHIVAL POLYESTER 3-3/4 x 5-5/8" (inside dimensions) 3-13/16 x 5-11/16" (outside dimensions) These museum grade polyester sleeves are archival, crystal clear and approved by the Library of Congress for indefinite storage (hundreds of years).
Base SKU:	s35r
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REGULAR Postcard 'L' Sleeve.
3-3/4 x 5-5/8" (outside dimension).
4 mil Polyester. Sealed on two adjacent sides.

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Description:	REGULAR Postcard 'L' Sleeve 4 mil ARCHIVAL POLYESTER 3-3/4 x 5-5/8" (outside dimensions) These L-Seal Sleeves are made from crystal-clear archival Polyester, approved by the Library of Congress. Their rigidity (4 mil) and unique construction (two adjacent sealed sides) allows for quick/safe insertion and removal of photos/prints/postcards.
Base SKU:	slv35
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LARGE Postcard Sleeve. 4-1/2 x 6-1/4"
2 mil POLYETHYLENE. No flap.

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Description:	LARGE Postcard Sleeve 4-1/2 x 6-1/4" 2 mil POLYETHYLENE NO flap. Image shows clear sleeves in a packing bag.
Base SKU:	spcl2
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LARGE Postcard Sleeve. 4-1/2 x 6-1/4"
4 mil POLYETHYLENE. No flap.

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Description:	LARGE Postcard Sleeve 4-1/2 x 6-1/4" 4 mil POLYETHYLENE NO flap. Image shows clear sleeves in packing bag.
Base SKU:	spcl4
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LARGE Postcard Sleeve. 4-1/2 x 6-1/4".
1.5 mil POLYPROPYLENE. No flap.

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Description:	LARGE Postcard Sleeve 4-1/2 x 6-1/4" 1.5 mil POLYPROPYLENE No flap. Image shows clear sleeves in packing bag.
Base SKU:	spppcl
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LARGE Postcard Sleeve. 4-1/4 x 6-1/8" (inside dimensions).
4 mil POLYESTER (Mylar). No flap.

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Description:	LARGE Postcard Sleeve 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).
Base SKU:	s46r
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Polyester 'L' Sleeves for 4 x 6" prints,
photos & large postcards.
4-1/4 x 6-1/8" (outside).
Sealed on two adjacent sides.

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Description:	LARGE Postcard & 4 x 6" Photo 'L' Sleeves 4 mil ARCHIVAL POLYESTER 4-1/4 x 6-1/8" (outside dimensions) These L-Seal Sleeves are made from crystal-clear archival Polyester, approved by the Library of Congress. Their rigidity (4 mil) and unique construction (two adjacent sealed sides) allows for quick/safe insertion and removal of photos/prints/postcards.
Base SKU:	slv46
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