50 FULL BACK STANDARD SIZE COMIC BACKER BOARDS (E. GERBER)SUPPLY587_700FB
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42 mil, acid-free, 3% buffered backing board.
- Genuine acid-free, cellular fiber.
- Meets strict U.S. Government standards for archival storage.
- 3% calcium carbonate buffer throughout, maintains a neutral pH.
- White on both sides.
- The highest quality backing board available anywhere.
Sold in packages of 50. We can also provide any custom size to fit your needs.
Measures 7" x 10 1/2".