The BCW Comic Backer Boards are made from 24 point solid bleached sulfate, coated and buffered on one side with 3% calcium carbonate, and are precision cut to size.
The BCW 11x17 Art Print Backing Boards Acid Free 24 Pt. Precision Cut Lot of 100 would be a great fit for users looking for high-quality, acid-free printmaking backing boards in large quantities.