Black PVC Celtec Foam Board Sheet 24" x 48" x 6mm / 1/4" (.25") Thick Nominal | eBay
1 Inch Thick Foam Board - 6 Pack 17X11 Inch Polystyrene Rectangles For DIY Crafts, Insulation, Sculptures, Models (White) - Walmart.com
50 Pack White Foam Board for Projects, 11 x 13.7Inch Foam Core Baking Board Mat Board Center, 1/8Inch Thick Polystyrene Foam Sheet for School, Presentation, Signage & Art Crafting - Yahoo Shopping