Ghostline® Large Foam Board, White, 22" x 28", 1 Sheet - Walmart.com
White Foam Board - 40" x 60" x 1/2", Pkg of 12 | Michaels
WEDDING TIMELINE | The Big Day Foam Board | Zazzle
White Foam Board - 40" x 60" | Hobby Lobby | 500876
Foam Board | Foamcore
Amazon.com : Excelsis Design 15 Pack Foam Board 18x24 Inches | White Foam Board 1/8 Inch Thick White Core Mat | Backing Board for Presentations, Signboards, Arts, Display and Crafts with Double-Sided