Graphic arts board contains polystyrene extruded foam that is laminated between two sheets of paper to form a lightweight but strong and rigid surface. Ideal for crafts, school projects, framing, mounting, displays and exhibits. Fome-Cor has a smooth surface that can accept a wide range of media, including paints. Sheets are easy to cut and are warp-resistant and dent-resistant. Fome-Cor Foam Board is 3/16" thick. Assorted pack contains five sheets of white and one sheet of red, blue, black, green and yellow.