【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 inches when opened and 12 x 16 inches when folded, 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. 【Premium Material】The tri-fold poster board is made from thickened corrugated cardboard, making it durable and easy to use.