These dry erase markers are perfect for a variety of uses, including home ,school, office use, and classroom use. The ink is bright and bold, and the markers erase cleanly with no smudging or ghosting. The markers come in a convenient 144pack, so you always have a spare on hand. They are also great for use on whiteboards, glass, and most non-porous surfaces. Whether you need to mark up a presentation, brainstorm ideas, or take notes, these dry-erase markers are the perfect choice.