Amazon.com: Foam Boards White Foam Core Backing Boards, Silver Craft Knife with Protective Cap and 12 Inch Stainless Steel Ruler for Art Presentations Crafts Display Favors(White, Silver, 12 x 10 x 0.2
10pk White Foamcore Pouch Boards with Pressure-Sensitive Adhesive - Many Sizes Available | Binding101
24x36 White Foamboard 3/16" Thick - Sam Flax Atlanta
Amazon.com : Pack of 25 11x17 3/16" White Foam Core Backings : Office Products
Foam Core Backing Board 3/16" White 1 Side Self Adhesive 8.5x11- 250 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects - Walmart.com
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