Each poster board is perfect for when you need a large flat surface that you can use for a background or a display. It's sturdy but light, making it highly useful in a wide variety of situations. Use it in school projects, work presentations, or for at-home projects. Details:Bright white22" x 28" (55.88cm x 71.12cm)10 packs (10 posters per pack, 100 total posters)Smooth surfaceFade and water resistant