Museum Grade Storage Boxes for 11 x 14" Photos. 15 x 11-1/2 x 3". BLUE-GRAY. Drop-front. Acid-Free, Lignin-Free, Buffered.
Details
The archival material used for these boxes is 60 point , 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 the indefinite storage of photos.