Two Cool® Colors Blue/Yellow Foam Board, 22"x28", 4/case | TheRoyalStore
Amazon.com : Union Premium Foam Board 22 x 28 x 3/16" 10-Pack : Matte Finish High-Density Professional Use, Perfect for Presentations, Signboards, Arts and Crafts, Framing, Display (White, 22x28) : Office Products
Pacon Original Foam Core Graphic Art Board, 22 inch x 28 inch, White, Carton of 5 : Amazon.ca: Office Products
Foam Core Backing Board 3/8" White 22x28- 5 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects - Walmart.com
pacon large poster board 22 x 28" sheet, white or black only – A Paper Hat
Generic Foam Board, White, 22" x 28", 5 Sheets - Foam Board, White, 22" x 28", 5 Sheets . shop for Generic products in India. | Flipkart.com
Royal Brites Dual Sided Dry Erase Poster Board 22 x 28 White - Office Depot