BACKINGS for LARGE Digest.
5-7/8 x 8" .040" thick.
Acid-free,Lignin-free, Buffered.
All white. Indefinite storage.

Backings for LARGE Digest
5-7/8 x 8"  .040" thick
Acid-Free, Lignin-free, Buffered.

100% Alpha-cellulose board. Conservation grade.
Indefinite storage (100s of years).

These backings are not meant to be used as backings for paperbacks and digests, but for packaging thinner items if corresponding sleeves are being used.