Zebra Mackee Extra-Fine Permanent Markers - Black 10-Pack offers dependable everyday performance with dual precision tips for fine and ultra-fine writing. The fast-drying, water-resistant alcohol-based ink creates crisp marks on paper, cardboard, plastic, metal, and glass—ideal for offices, warehouses, classrooms, and labeling tasks. Conveniently packaged in a clear sleeve, this set provides reliable black markers ready for frequent use.