• Two ways to use: You can underline or color; easily highlight and mark different categories at a glance. • Vibrant colors: 12 assorted colors to bring your notes and documents to life; Soft colors for comfortable reading and writing. • Quick-drying ink: Ensures your writing does not smudge or cover the original text, allowing for clear and neat highlighting. • Unique twist pen design: No need to worry about losing the marker cap; comfortable replaceable pen for long-lasting use. • Comfortable grip: The ergonomic design provides a comfortable grip and prevents slipping, allowing for precise highlighting and marking. • Smooth writing experience and ink uniformity. • Safe materials for users and the environment.