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
White Foam Board (Standard Sizes) - Columbia Omni Studio
Amazon.com : Elmer's 900803 Foam Board, White Surface with White Core, 30 x40, 10 Boards/Carton : Office Products
White 3/16” Foam Board | Order 25 3/16” White Foam Board Sheets - Foamboards.com
Elmer's, White Foamboard, 1/2" x 20" x 30", White - Sam Flax Atlanta
5 Sheets White Foam Boards--Sand Table Building Model Materials 2mm / 3mm Thick Foam PVC Sheet Poster Board Mount Board for Mounting, Crafts, Modelling, Art, Display, School Projects - Walmart.com