5 x 7" Postcard (Photo/5 x 7" Mats). 'L" Sleeve. 5-3/8 x 7-1/4". 4 mil POLYESTER (Mylar). Sealed on 2 adjacent sides.
DETAILS
5 x 7" Photo 'L' Sleeves
4 mil ARCHIVAL POLYESTER
5-1/4 x 7-1/4 (outside dimensions)
Also use for 5 x 7 Postcards and 5 x 7 Prints.
These L-Seal Envelopes are made from crystal-clear archival Polyester, approved by the Library of Congress. Their rigidity (4mil ) and unique construction (two adjacent sealed sides) allows for quick/safe insertion and removal of photos/prints.
4 mil ARCHIVAL POLYESTER
5-1/4 x 7-1/4 (outside dimensions)
Also use for 5 x 7 Postcards and 5 x 7 Prints.
These L-Seal Envelopes are made from crystal-clear archival Polyester, approved by the Library of Congress. Their rigidity (4


