Curve Highlighter Pen Colored highlighters made from a special roller pen design create elegant marker lines with dual tips. The dual-tip marker pen features a roller end for drawing mark lines, making it a great tool for studying and artwork. Quick-Drying Ink Our double-headed marker pens use quick-drying ink that dries fast and writes smoothly and clearly. The second tip is easy to usesimply place the pen under the text you want to highlight and gently slide it. The operation is simple, convenient, and smudge-resistant. Multi-Functional Use This pen set is ideal for card making, crafts, coloring books, school projects, DIY letters, and more. It's perfect for the whole family and makes a thoughtful gift for birthdays, Easter, Children's Day, back-to-school, and other occasions. Wide Range of Applications Use the fine tip for writing in journals, letters, cards, notes, and scrapbooks. The broader tip is excellent for underlining important text and creating decorative patterns. Practical and versatile for both academic and everyday use.