Ink supply visibility: Know when you're running low with the visible ink supply Smooth chisel tip: Glides smoothly for a clean application and consistent ink flow Convenient design: Comes with a loop feature for secure attachment to binders, planners, and bags Vibrant Colors: Includes 10 assorted colors for versatile and creative highlighting Quick-drying fluorescent ink: Ensures bold, easy-to-see colors Excellent for note-taking: Perfect for highlighting, underlining, and note-making Bulk pack: Great for stocking up school and office supplies