UCreate Foam Board Mounting, Classroom, Craft, Frame, Display, School Project - 22" x 28"187.5 mil - 5 / Carton - White - Polystyrene - Walmart.com
Amazon.com : AKOLAFE 30 Pack 10x8 Inch Foam Boards, 5 mm Thick Foam Core Board 1/5 Inch Black Foam Sheet, Black Polystyrene Poster Board Signboard for Presentations, School, Office & Art Projects : Office Products
3/16" Fireproof Foam Board | Shop 3/16" Fire Retardant Foam Board in 15 or 25-Pack Boxes at Foamboards
Amazon.com: AMZQNART Craft Foam Blocks, 2 in Thick 17x11" EPS Polystyrene Rectangle Foam Blocks Packs of 3 Pcs for Art Sculpting, Sculpture, Modeling, School and Home DIY. : Arts, Crafts & Sewing