Amazon.com : Frienda 10 Pcs Foam Core Board 36 x 48 Inch Large Corrugated Plastic Sheet Acid Free Foam Poster Backing Board Large Black Polystyrene Board Bulk for Art Crafts School Projects
3/16" Black 1 Side Self Adhesive Foam Core Boards : 48 X 48
Elmer's 36" x 48" Black Tri Fold Foam Board | JOANN | Display board, Elmer, Tri fold poster board
Foam Project Board Set
Komatex 24 in. x 36 in. x 0.118 in. Black Foam Project Board (5-Pack) 41655106 - The Home Depot
Royal Brites 36" x 48" Black Project Board | JOANN
Amazon.com : Trifold Poster Board 36" x 48" White Presentation Board Science Fair Display Boards - for School, Fun Projects and Business Presentations - by Emraw : Office Products
Two Cool Tri-Fold Poster Board, 36 X 48, Black/white, 6/carton | Bundle of 10 Cartons - Walmart.com
Flipside Products 36 x 48 White Foam Project Board Bulk, PK10 30048-10 | Zoro
Pacon Ghostline Tri-Fold Foam Board, 48 x 36 Inches, White, Each | eBay
Buy Black 3/16" Foam Core Permanent Adhesive 36" x 48" Mounting Boards - 25pk (550460B)