Unique Multiple Colors: 4 different wonderful colors ink, suitable for using in class, marking different words and doing some important notes, which is a great gift for office, home, company, students, etc.

Pretty Ombre Barrel: 4 Gradient colors gorgeous pen barrel, suitable for using in class, doing some important notes, which is a great gift for office, home, company, students, etc.

Super Quick-drying Ink: With precision tip and smooth writing ink, the rollerball ink dries quickly that help you keep work neat and organized. Special ink dries so fast even left handed writers love it - no smear, no smudge.

Smooth Flowing Ink: these 0.5 mm rollerball pens with built-in precision ink output regulator, which can ensure liquid ink flowing evenly that give you smooth writing experience.

Large Ink Capacity: The writing length is 1500 meters, which is equivalent to 4 ordinary gel pens, which is more economical and environmentally friendly.