【Premium Material】The tri-fold poster board is made from thickened corrugated cardboard, making it durable and easy to use. | 【Medium Size】Measuring 24" x 16", these poster boards are perfect for various scenarios, including presentations, exhibitions, school projects, project descriptions, and daily meetings. | 【Portable and Lightweight】Designed for portability, simply open the side panels to allow the poster board to stand upright on a flat surface. When closed, it is lightweight and easy to carry. | 【Easy to Write On】The tri-fold display boards feature a white, smooth surface suitable for various writing instruments such as markers, chalk, watercolor pigments, crayons, paints, and more. | 【Versatile Uses】Ideal for presenting all kinds of ideas, the tri-fold display board can be used for creating art pictures, analysis reports, travel photos, and more, allowing for versatile creative expression.