Foam Boards are perfect for mounting your high quality image or artwork in full color. Consider Foam Boards printing when looking for an economical way to showcase your artwork without a frame, but still come across as a professional print. For a lightweight cost-effective indoor poster, Foam Board is the most favored for indoor media. Foamboard posters are composed of a lightweight foam center with a paper backing on each side. Our standard size is 3/16 in, which fits into most display stands. It is most recommended for temporary rigid indoor posters and project boards.