Museum Grade Storage Boxes for 13 x 19" Photo/Prints/Posters. 13-3/4 x 19-3/4 x 1.5". TAN. Drop front. Acid-Free Barrier Board.

Museum Grade Storage Boxes
19-3/4 x 13-3/4 x 1.5"
TAN.Drop front.
Use for 13 x 19" Photos,Prints & Posters

The archival material used for these boxes is 60ptpoint, 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.