11 x 17" Original Comic Art Sleeve
11-1/2 x 19" 3 mil  Polyethylene
NO flap.

11 x 17" Original Comic Art '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.

13 x 19" Original Art/ Print Sleeve
13-1/8 x 19-1/8"  1.5 mil Polypropylene. No flap.

Made from crystal-clear, archival bi-oriented polypropylene that has passed the Photo Activity Test. Guaranteed safe for the long-term storage of photographs.

13 x 19" Original Art/Print Sleeve 
13-1/4 x 19-1/4"  1.5 mil Polypropylene
Comes with a 1-1/2" Resealable flap.

13 x 19 Original Art/ Print L-Sleeve
13-1/4 x 19-1/4"
4 mil Polyester (Mylar)
These sleeves have two adjacent sealed sides.

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 when not in permanent storage.