LARGE Size 22 X 28 INCH. This colored poster board sold as 25 sheets. Acid-Free. Thickness: 3ply, 250gsm. Durable card stock easy to cut and trace. Suitable for any school or kindergarten project or presentation. VERSATILE. Perfect for school projects, art & craft, displays, promotions, scrapbooking, 3D crafts, costumes, party décor, Christmas, holiday celebration, sporting events, sale signs for retail store. PRESENT CREATIVELY. Serve as eye-catching display boards with a smooth, uniform finish and vivid colors on both sides. Colors have superior brilliance and fade resistance. Smooth matte finish surface. VISIBLE POSTERS. Great for making signs and posters that are sure to pop out from the group. The eye-popping colors definitely grab people's attention. Accept a wide range of media: paints, chalk, marker, glue, glitter. GREAT FOR TONS OF CRAFTS. Available in bulk packs of school and office supplies to save your costs. More than 10 colors for selection: white, black, blue, green, pink, purple, yellow, orange, red, and more.