Two Cool® Colors Blue/Yellow Foam Board, 22"x28", 4/case | TheRoyalStore
Amazon.com : Foam Core Backing Board 3/16" White 22x28-100 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects : Office Products
UCREATE Foam Board, White, 22'' x 28'', 5 Sheets 1 Set White | eBay
22" x 28" White Poster Board, 10ct. | Michaels
3/8" White Acid Free Buffered Foam Core Boards : 22 X 28 - BOXFORLESS.COM
Peacock 4-Ply Poster Board - White 25/carton
Pacon Ghostline White Foam Board 22" x 28" 5/Carton (PACCAR90330K) - Walmart.com
Amazon.com : Excelsis Design 15 Pack Foam Board 22x28 Inches | White Foam Board 1/8 Inch Thick White Core Mat | Backing Board for Presentations, Signboards, Arts, Display and Crafts with Double-Sided
22x28 Foam Board 1/8" - Shop Now
Foam Core Backing Board 3/8" White 22x28- 50 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects - Walmart.com