The OEM Sharpie Accent Pen-Style Liquid Highlighter SAN1754468 is designed for versatility and convenience. Its pen-style design features a loop that allows you to attach it easily to three-ring binders, planners, bags, and more. The visible ink supply alerts you before the ink runs out, ensuring you are never caught without a highlighter. With pigmented, fluorescent ink, this highlighter provides bold colors and a smooth ink flow for consistent highlighting. The quick-drying, odorless ink is certified AP nontoxic, making it safe for use in any environment.