ArtSkills premium 28x40 inch Tri Fold Poster Board, proudly made in the USA to meet all your presentation needs. Crafted from high-quality, durable materials, this poster board ensures a sturdy and reliable foundation for your creative projects. Whether youre preparing for a school science fair, a business presentation, or an arts and crafts display, our trifold poster board design offers ample space and flexibility to showcase your work. Measuring a generous 28x40 inches when fully open, this poster board provides plenty of room for detailed layouts, charts, graphics, and text. The smooth, white surface is perfect for markers, paints, adhesives, and other crafting supplies, allowing for crisp, clean lines and vibrant colors that will make your project stand out.