Dry erase poster board is perfect for a variety of purposes. Use for work and school presentations, science fair projects, classroom reviews, and more. This board can be cut to use as multiple dry erase boards in classrooms or for smaller signs. The lightweight material is easy to hang or take with you. The smooth whiteboard surface allows you to easily draw, write, and erase without leaving behind the ghosting and residue of standard whiteboards. Details: Whiteboard coated on one side 22" x 28" each 10 pack No ghosting Thick but lightweight Write on, wipe off Acid free Suitable for science fairs, presentations, school events and more