23384: Neon Yellow Poster Boards 22x28. Poster Board, 22x28, Yellow. Discover the vibrant, vivid colors of our Yellow Poster Boards, an essential resource for a wide range of media projects. Ideal for schools, non-profits, retail stores, or students and teachers alike, these poster boards are your go-to solution for all your creative and presentation needs. Our Yellow Poster Boards, measuring 22x28 inches, are perfect for tons of crafts and projects. Whether you're designing a kindergarten project, a sale sign for your retail store, or a holiday celebration display, these boards offer ample space for all your imaginative ideas. They are sold in bulk, making them cost-effective for large projects or multiple users.