Following are the features of Linear Roller Color Pen Highlighter : 

• Curve Highlighter comes in 6 bright colors (red, pink, green, blue, orange, and purple ).
• 6 different shape roller tips which will make easier your work and add much fun to your work.
• These pens are Acid-free and non-toxic, ink doesn’t smear, fade, or skip, no harm to health. 
• Allow all to enjoy smooth application for coloring books, school projects, DIY letters, and more at the school, home, and office.
• Have trouble with drawing wavy lines using normal colored pens? Try this specially-made roller pen to create various elegant mark lines and designs with just one single pull.
• Very easy to use and make joyful work.
• The craft pens all contain quick-drying ink, which dries quickly and writes clearly and smoothly. 
• The headband pattern is also very easy to use, you only need to hold the pen vertically and slide it gently through the paper.
• The curve pens are perfect for writing diaries letters, card marking, art crafts, making notes, scrapbooks, and Journaling supplies. 
• Fantastic gift for Kids teachers, writers, and artists for Birthdays, Easter, Children's Day, Back to school, Christmas, etc.