Foam Board-Perfect for projects or presentations-20 x 30 White board - Set of 25
Amazon.com : 30 Pack White Foam Core Board 20 x 30 Inch Foam Core Backing Board Sheet 3/16 Inch Thickness Polystyrene Poster Board for Presentations, Signboards, Arts and Crafts, Framing, Display, Projects : Office Products
20" x 30" Foam Board, 1/2" Thick | Michaels
3/16" Foamboard - White 20"x30" - Sam Flax Atlanta
3/8" White Acid Free Buffered Foam Core Boards :20X30
BAZIC 20" x 30" White Foam Board
Blick Foamboard Pack - 20" x 30" x 3/16", White, Pkg of 25 | BLICK Art Materials
Office Depot Brand Foam Board 20 x 30 White - Office Depot