3/8 White Acid Free Buffered Foam Core Boards : 32 x 40

Laminated both sides with white alpha-cellulose virgin pulp acid free,lignin free paper, providing a smooth surface and clean cuts. Perfect for all

Foam Core Backing Board 3/8 White 32x40-25 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects : Office Products

Archival Rising Museum Mounting Board

1/8” ACID FREE FOAMBOARD 32x40” (25/ctn)

25 Pack Foam Core Board 24 x 36 Inch Foam Core Backing Board Sheet 3/16 Inch Thickness Polystyrene Poster Board for Presentations Signboards Arts and Crafts Framing Display Projects (Black) : Office Products

Pro Foam Board - Antique White Acid Free, 32 x 40 x 1/8, 25 Pack

Foam Board 32 x 40, 1/8 thick, White

Boards / Backdrop - Matboard - Sam Flax Atlanta

Artcare Black Foamboard 1/8 x 32 x 40, Acid-Free - Sam Flax Atlanta

Acid Free 1/8 Foam Board

Completely Custom Matboards Where You Specify Both the Exterior and Interior Dimensions single Matting

Elmer's Acid-Free Foamboard, 3/16 x 32 x 40, Cream - Sam Flax Atlanta