1. **Dual-tip Design**: This dual-headed marker features a fine tip and a soft brush tip, adding more fun to artistic creations. A 0.4mm hard fine tip can be used to draw extremely thin lines, and by changing the pressing force of the brush tip, thin, medium, and thick strokes can be created. 2. **Vibrant Colors**: It comes with 24 classic and vivid colors, meeting various needs in adult coloring books, bullet journals, scrapbooks, planners, comics, calligraphy, coloring, writing, note-taking, sketching, painting, etc. 3. **Smooth Writing**: Each pen provides a smooth writing experience without ink bleeding. It uses water-based ink, which has good fluidity, no odor, is acid-free and non-toxic, dries quickly, and is relatively safe for children. 4. **Good Quality**: The 0.4mm fine tip is suitable for detailed contour outlining and drawing thin lines, while the 1 - 4mm elastic nylon brush tip is suitable for coloring and shading. These dual-headed brush markers have sufficient ink, reducing concerns about running out of ink quickly. 5. **Great Gift**: These dual-headed markers are suitable as holiday gifts for adults, children, teachers, students, or artists. It comes with a transparent case for easy carrying and storage. If there are any defects or damages in the order, customers can contact the seller at any time, and the seller will provide free replacement or a full refund service. They can be used for handwritten font creation, sketching, calligraphy, school schedule planning, diary keeping, coloring, etc. The 1 - 4mm brush tip paired with the 0.4mm hard fine tip can create thin, medium, and thick strokes by changing the pressing force of the brush tip. This is a set of 24 vibrant art markers that do not bleed or leak ink, are non-toxic, write smoothly, and are acid-free. It is a good choice as a Christmas gift for artists, students, children, etc., for art and handicrafts, design, etc., and also a supplementary option.