Museum Grade Storage Box for 16 x 20" Photos. Drop front. 20-3/4 x 16-3/4". BLACK Acid-free, Lignin-free, Buffered.
Details
Museum Grade Photo Storage Box
20-3/4 x 16-3/4 x 3"
BLACK. Drop front.
Use for 16 x 20" Photos
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.