Foam core board is available for purchase online in various sizes, colours, and quantities, ranging from single sheets for small projects to bulk packs for professional presentations. Key options include standard white, professional black, acid-free archival quality for framing, and oversized sheets for large displays. Standard White Foam Boards
Single sheets priced at from Bijan's Art Studio , featuring a matte finish and acid-free core. 16" x 20" Black Foam Boards, 3ct. michaels.com Go to product viewer dialog for this item. buy foam core board online
These are the most common choice for school projects, 3D modelling, and general signage. They typically feature a 3/16" thick polystyrene core. Flipside White Foam Board 20 x 30, 10 Sheets Go to product viewer dialog for this item. Foam core board is available for purchase online
HAPINARY Foam Board Large 20x30cm 10pcs White Foam Core Poster Board for Crafts Diy Projects and Classroom Display Go to product viewer dialog for this item. 16" x 20" Black Foam Boards, 3ct