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
Amazon.com: KOHAND 50 Pack 12 x 16 x 1/8 inch Foam Core Backing Boards, White Foam Boards, Thick Craft Poster Board for Signs, Presentations, School, Office and Art Projects : Office Products
Amazon.com : Excelsis Design 15 Pack Foam Board 8x10 Inches | White Foam Board 1/8 Inch Thick White Core Mat | Backing Board for Presentations, Signboards, Arts, Display and Crafts with Double-Sided
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
Colorations® Super Heavyweight Colored Poster Board, 20 Sheets
White Poster Board (100 sheets) - 250-980
10 Sheets Foam Poster Board Display Material Decorate Craft Thick White Party Favors - AliExpress
Amazon.com: 30 Pack Foam Boards 10in x 8in, HommyPrefer 0.2in Thick Polystyrene Foam Sheet, White Poster Boards for Crafts/Projects/Photo Framing/Art Display : Arts, Crafts & Sewing
Custom Foam Board Signs | 3/16” Thick
Elmer's® White Poster Board, 28 x 22, 50/Carton EPI75017
FUTURE FOAM 3 in. Thick Multi-Purpose Foam 10030BULK3 - The Home Depot
Graduation Welcome Sign Welcome Poster Board Class of 2022 - Etsy
BAZIC White Foam Board 20" X 30", Colored Foam Boards 3/16 Inch Thickness, 50-Pack - Walmart.com