📊 Unleash Your Creativity with Every Fold! Tri-fold design for quick assembly and stability. Perfect for school, business, and beyond! Crafted from high-quality, hard cardboard. From science fairs to virtual learning! Stand out with a professional touch! Durable cardboard 40" x 28" size 8 pcs included This 8 PCS Trifold Poster Board set features large 40" x 28" display boards made from durable three-layer corrugated cardboard, perfect for a variety of uses including school projects, business presentations, and photo displays. Each board is designed for stability and ease of use, making it an essential tool for any professional or student looking to make a lasting impression.