Premium Ultra-Fine Markers, Brite Writer Tri-Liner 0.4 mm, 24-Pack, Fineliner, Ultra-fine pens, non-toxic, brilliant water-based inks, fade-resistant, metal clad tip, ergonomic comfort-barrel grip PRECISION CONTROL: Our Ultra-fine 0.4mm metal clad tip ensures precision for any task with outstanding performance. Designers and Architects love using our ultra-fine tip markers! BRILLIANT SHADES: 24 bright vibrant colors, non-toxic, water-based inks. Perfect for office, drawing, sketching, writing, animation, graphic design, calendars, and school! CUSTOM MOLDED TRAY: Forget about losing or misplacing your pens, our custom molded trey holds pens firmly in place for neat and orderly storage. LASTING VIBRANT COLORS: 24 quick-drying, fade-resistant water-based inks ensures you get the job done. Our colored pens have intense long lasting colors with minimal bleed thru. EXTRA COMFORT: Enjoy the comfort of our Ergonomic, Tri-Liner, comfort-barrel grips and easy to remove caps. Whether youre using our Brite Writer pens in the office as an adult or a kid in school, we're sure you're going to love them!