Standard White Foam Core Board (1/8in) (Not Acid Free)
3/16" Color Foam Core Boards : 11 X 17 - BOXFORLESS.COM
Foam Core Board - 1 sheet (4' x 8')
Amazon.com : Pack of 25 11x17 3/16" White Foam Core Backings : Office Products
Amazon.com : White 3/16" Foam Core 24" x 36" Mounting Boards - 25pk : Office Products
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
Amazon.com : AKOLAFE 30 Pack 10x8 Inch Foam Boards, 5 mm Thick Foam Core Board 1/5 Inch Black Foam Sheet, Black Polystyrene Poster Board Signboard for Presentations, School, Office & Art Projects : Office Products
FoamCore Sheet 4' x 8' – Blue Ridge Sign Supply Inc