Dry erase markers make it easy to leave notes, erase them, and leave notes again! Markers easily wipe clean from dry-erase boards, glass, and most non-porous surfaces, and are also washable in case they write on something they shouldn't. Useful for the classroom, office, and home. Case includes 24 – 3-ct. packs of Inc® Washable Fine-Tip Dry Erase Markers. Each set includes one each blue, black, and red markers.