11 x 17" Original Art/Prints'L' Sleeves 4 mil ARCHIVAL POLYESTER
11-1/4 x 17-1/4" (outside dimensions).
These L-Seal envelopes are made from crystal-clear archival Polyester, approved by the Library of Congress. Their rigidity (4 mil) and unique construction (two adjacent sealed sides) allow for quick/safe insertion and removal of photos/prints/art when not in permanent storage.
Sealed on 2 adjacent sides."/>