Foam Core Backing Board 3/16 Black 1 Side Self Adhesive 16x20- 5 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects

Golden State Art, Pack of 10, 3/16 Thick, 16x20 Black Foam Boards (16x20, Black) : Arts, Crafts & Sewing

Plastic Poster Boards

Golden State Art, Pack of 10, 3/16 Thick, 16x20 Black Foam Boards (16x20, Black) : Arts, Crafts & Sewing

Foam Core Backing Board 3/16 Black 20x30-10 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects : Office Products

Blue Summit Supplies Double Neon Poster Board, 9 x 12 Inch Small Size, 50 Pack, Assorted Colors, For Classroom Use, School Projects, or Craft Projects, Bulk Poster Board - Yahoo Shopping

Foam Board 16 x 20 x 3/16 - Premium 12 Pack - White Philippines

Foam Board 16 x 20 x 3/16 - Premium 12 Pack - White Poster Board Acid Free Double Sided Rigid Lightweight Signboard Foamboard for Crafts

Blue Summit Supplies Double Neon Poster Board, 9 x 12 Inch Small Size, 50 Pack, Assorted Colors, For Classroom Use, School Projects, or Craft Projects, Bulk Poster Board - Yahoo Shopping

Golden State Art, Pack of 10, 3/16 Thick, 16x20 Black Foam Boards (16x20, Black)