24x36 Ultra-Black #8 boards are the blackest black available on the market. They are .055" thick, buffered pH neutral.
Black Letter Board Showdowndisplays.eu
Crescent No. 8 Ultra-black Mounting Board, 11 X 14 Inches, Pack Of 40 : Target
08.30.23 issue by Shopping News - Issuu
XBoard Magnetic Chalkboard Blackboard 36 x 24, Chalk Board/Black Board with 2 Magnets, Black Aluminium Frame : Everything Else
Lightweight and rigid BLACK foam board with paper liner (pH-neutral). Specification: Polystyrene foam core between pH neutral black paper. Packaging
Union Premium Black Foam Board 24 x 36 x3/16 10-Pack : Matte Finish High-Density Professional Use, Perfect for Presentations, Signboards, Arts and
Crescent Ultra-black Mounting Board
Lightweight and rigid BLACK foam board with paper liner (pH-neutral). Specification: Polystyrene foam core between pH neutral black paper. Packaging
Union Premium Black Foam Board 24 x 36 x3/16 10-Pack : Matte Finish High-Density Professional Use, Perfect for Presentations, Signboards, Arts and
Nine Lives Wall Art by Shutterfly
20x30 at Jerry's Artarama