24 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 100.
The price of "Half Backs Backing Boards Current" at Austin Books & Comics is USD $19.99.
"Half Backs Backing Boards Current" falls under the category of Comic Supplies.