LOSYHU 20 Pack A3 Black Foam Board 12"x16.5", 1/5" Thick, Foam Core Backing Board Poster Foam Board Sheets for Presentations, School, Office & Art Projects

LOSYHU 20 Pack 11.7"x16.5" Black Foam Board, 1/5"(5MM) Thick, A3 Size, Foam Core Backing Board Poster Foam Board Sheets for Presentations, School, Office & Art Projects

20 Pack White Foam Board 12" x 16.5", 3/16" Thickness Foam Core Baking Board for Projects, A3 Polystyrene Mat Board Poster Foam Board Sheets for Art Crafts, Presentation, Wedding, School Projects