1.5 lb Carving Polystyrene - Sheet Size 32" X 48" | Foam n More & Upholstery
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
EPS Foam Block | Hot Wire...
Polystyrene Sheets - 12 x 12 x 1/4" S-19394 - Uline
Hot Wire Foam Factory Construction Foam 24"x24"x6"
3/4 in. x 1.25 ft. x 4 ft. R-2.65 Polystyrene Panel Insulation Sheathing (6-Pack) 150705 - The Home Depot
All eyes on polystyrene foam packaging
Polystyrene | Chemical Compound | Britannica
Amazon.com: AMZQNART Craft Foam Blocks, 1 in Thick 17x11" EPS Polystyrene Rectangle Foam Blocks Packs of 7 Pcs for Art Sculpting, Sculpture, Modeling, School and Home DIY. : Arts, Crafts & Sewing
Polystyrene foam - Most Commonly Used Packing Material