20" x 30" x 3/16" Black On Black Foam Board 12 Pack
Black core with matte black paper surface. Useful for mounting photos and making presentations because the black surface sets the photos off. A disposable product. Not for painting on or for long term archival use. This board is not acid free. Acid free black foam board is availble.
Foam board will warp when exposed to humdity, for a non warping alternative, try gator board