Museum Grade Storage Boxes for 11 x 17" Photos/Art. 17-1/2 x 11-1/2 x 2". BLUE-GRAY. Drop-front. Acid-Free, Lignin-Free, Buffered.

Museum Grade Storage Boxes
17-1/2 x 11-1/2 x 2"
BLUE-GRAY.Drop front.
Use for Photos & Original Art

The archival material used for these boxes is 60 ptpoint, solid-core, acid-free, lignin-free cellulose fibers. It is buffered with a 3% calcium carbonate, which blocks migrant acids, The boxes have a pH of about 8.5. They have metal-edged corners and ship assembled. Boxes have passed the Photo Activity Test certifying that they are safe for indefinite storage of prints & photos.