"The Perfect Poster Board for Your Next Project Royal Brites high quality trifold presentation board is excellent for science fair projects, class and business presentations, workshop activities, arts and crafts, and more. Plus, it includes fine grid lines that help with the layout of your project for accurately placing titles, images, and graphs. This 22” x 28” large size trifold foam board conveniently closes to 22” x 14” for easy storage and transportation. The foam material is sturdy and easy to cut. Ideal for indoor and outdoor presentations, its vivid white color makes it great for use with markers, inks, paints, and glues. Use it to make a proper presentation with visual aid to support your ideas! Royal Brites is a family-owned leading marketer of quality paper, board, packaging, and converted paper.