High Impact Polystyrene, Sheet, White, Matte / Smooth, (0.06 in x 40 in x 72 in) | Curbell Plastics
Amazon.com : AKOLAFE 30 Pack 10x8 Inch Foam Boards, 5 mm Thick Foam Core Board 1/5 Inch White Foam Sheet, White Polystyrene Poster Board Signboard for Presentations, School, Office & Art Projects : Office Products
Polystyrene Sheets - 12 x 12 x 1/4" S-19394 - Uline
5 Pieces Polystyrene Board SheetFoam Rectangle Blocks for DIY School & Hauskunst Hobby Kunst und Skulpturen Modeling, 3.5x19x29cm - Walmart.com
Amazon.com: 1 Inch Thick Foam Board Sheets - 6 Pack 17x11 Inch Polystyrene Rectangles for DIY Crafts, Insulation, Sculptures, Models (White) : Arts, Crafts & Sewing
3/16" White Styrene Board Pre-Cut Sizes
Amazon.com : Acrux7 16 Pack 11.7in x 16.5in Foam Boards, 3/16 Inch(5mm) Thick Foam Core Polystyrene Poster Board White Hard Paper Outer Foam Boards Photo Mount Board Wedding Signs Christmas Gift Boxes :
Polystyrene Sheets - 10 x 10 x 1/2" S-19392 - Uline
MCS Polystyrene Sheets – Jerrys Artist Outlet
Polystyrene - White – MakerStock
Styrofoam Sheets 48" x 24" x 1" | Goodman Packing & Shipping
Sarnatherm® EPS | Insulation & Roof Boards
16 Pack Foam Board 11.7x16.5 Inch, CBTONE 3/16 Inch Thick White Polystyrene Foam Sheet for Photo Framing, Art Display and Handicraft - Walmart.com
Amazon.com: 30 Pack Black Foam Boards 8inx10in, HommyPrefer 3/16 Inch Thick Black Foam Board Sheet, Craft Poster Boards Foam Core Board for Projects, Photo Framing, Art Display : Arts, Crafts & Sewing
Amazon.com : Acrux7 20 Pack 11" X 14" Foam Boards, 1/8" Thickness Foam Core Baking Boards Polystyrene Poster Board Signboard for Presentations, School, Office & Art Projects : Office Products
Foam Polystyrene Sheets (W54679)
STYROFOAM R-4, 0.78-in x 4-ft x 8-ft Residential Sheathing Faced Polystyrene Board Insulation in the Board Insulation department at Lowes.com
16 Pack Foam Board 11.8in x 16.5in, HommyPrefer 0.2in Thick Polystyrene Foam Core Sheet, White A3 Poster Boards Signboard for Crafts/Projects/Photo Framing/Art Display - Walmart.com