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 7 1/2'' x 10 1/2''.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 7.5 inch
Height : 2.4 inch
Length : 10.5 inch

Item Weight: 4.8 pounds (View shipping rates and policies)
Shipping Weight: 4.85 pounds (View shipping rates and policies)

ASIN : B00KA1GNDM