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
Graduation Welcome Sign Welcome Poster Board Class of 2022 - Etsy
Office Depot Brand Poster Board 22 x 28 White Pack Of 10 - Office Depot
Amazon.com : Ctosree 36 Pcs White Foam Board 18 x 24 Inch Foam Poster Board Bulk 3/16 Inch Thick Foam Core Board Large Sign Board for Display School Projects Presentations Mounting Arts Crafts : Office Products
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
10 Sheets Foam Poster Board Display Material Decorate Craft Thick White Party Favors - AliExpress
White Poster Board (100 sheets) - 250-980
Pacon The Heavy Poster Board
Archival BACKINGS for One Sheet Posters.
White Foam Board | BLICK Art Materials
BAZIC White Foam Board 20" X 30", Colored Foam Boards 3/16 Inch Thickness, 50-Pack - Walmart.com
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