![Amazon.com : CreGear Foam Board 20 x 30 x 3/16", 15 Pack White Poster Board Lightweight Signboard Foamboard for Crafts, Framing, Art, Display, Presentation : Office Products Amazon.com : CreGear Foam Board 20 x 30 x 3/16", 15 Pack White Poster Board Lightweight Signboard Foamboard for Crafts, Framing, Art, Display, Presentation : Office Products](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61H1ZUys9+L.jpg)
Amazon.com : CreGear Foam Board 20 x 30 x 3/16", 15 Pack White Poster Board Lightweight Signboard Foamboard for Crafts, Framing, Art, Display, Presentation : Office Products
![Amazon.com : Foam Board 20 x 30 x 3/16" (5mm) - 12 Pack - White Poster Board, Acid Free, Double Sided, Rigid, Sign Board Foamboard for Mounting, Crafts, Paintings Prints, Art, Display, Amazon.com : Foam Board 20 x 30 x 3/16" (5mm) - 12 Pack - White Poster Board, Acid Free, Double Sided, Rigid, Sign Board Foamboard for Mounting, Crafts, Paintings Prints, Art, Display,](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/415rvuhym8L._AC_UF894,1000_QL80_.jpg)
Amazon.com : Foam Board 20 x 30 x 3/16" (5mm) - 12 Pack - White Poster Board, Acid Free, Double Sided, Rigid, Sign Board Foamboard for Mounting, Crafts, Paintings Prints, Art, Display,
![Amazon.com : Foam Board, Foam Board 20x30, White Foam Board, Presentation Foam Board, Acid Free Mounting Board, Foam Core, Mounting Foam Board (10) : Office Products Amazon.com : Foam Board, Foam Board 20x30, White Foam Board, Presentation Foam Board, Acid Free Mounting Board, Foam Core, Mounting Foam Board (10) : Office Products](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61u+JAueF4L.jpg)
Amazon.com : Foam Board, Foam Board 20x30, White Foam Board, Presentation Foam Board, Acid Free Mounting Board, Foam Core, Mounting Foam Board (10) : Office Products
![Amazon.com : 30 Pack White Foam Core Board 20 x 30 Inch Foam Core Backing Board Sheet 3/16 Inch Thickness Polystyrene Poster Board for Presentations, Signboards, Arts and Crafts, Framing, Display, Projects : Office Products Amazon.com : 30 Pack White Foam Core Board 20 x 30 Inch Foam Core Backing Board Sheet 3/16 Inch Thickness Polystyrene Poster Board for Presentations, Signboards, Arts and Crafts, Framing, Display, Projects : Office Products](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51VvQWxVV6L._AC_UF894,1000_QL80_.jpg)
Amazon.com : 30 Pack White Foam Core Board 20 x 30 Inch Foam Core Backing Board Sheet 3/16 Inch Thickness Polystyrene Poster Board for Presentations, Signboards, Arts and Crafts, Framing, Display, Projects : Office Products
![Foam Core Backing Board 3/8" White 20x30- 250 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects - Walmart.com Foam Core Backing Board 3/8" White 20x30- 250 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects - Walmart.com](https://i5.walmartimages.com/asr/e0204cb1-79c2-471e-a2c0-7a3185f00d7e.4edbca0f539c3dabea8871d4818cff04.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)