Half-Back Magazine Backing Boards 8 5/8" x 11 1/2"

These are the highest quality boards found anywhere!

At 24-Mil, these backing boards ensure extra rigidity and protection!

Made from 100% acid-free, virgin wood, cellular fiber, 24 mil. thick cardboard.

Contains a 3% alkaline buffer and a pH content of 8.0-8.5.

Sold in packs of 100 and measures 8 5/8" x 11 1/2".

Half-Back Acid-Free Backing Boards are made from 100% acid-free, 24-mil thick cardboard to ensure extra rigidity and protection; Produced with a 3% alkaline buffer throughout and maintains a pH content of 8.0-8.5 to further ensure the preservation of your collectibles; Meets strict U.S. Government standards for archival storage; Designed for use with E. Gerber Comic Book Archival Mylar Supply Products; sold in packs of 100. Measures 8 5/8 x 11 1/2
Brand: E. Gerber, Model: 858HB