【Linear Pens】Each colored curve line markers pens features soft grip and 0.4mm durable tip. Premium material makes our pens glide smoothly than others. You will like the way you can mark and draw precisely in the tiny details of your notes and journals. 【Quick Drying Pen and Ink Design】Double-headed marker pens, all quick-drying ink, dries quickly and writes clearly and smoothly. The other headband pattern is also very easy to use. You only need to place the pen under the text you need to mark and slide pens gently. The operation is convenient and simple, and the ink is also quick-drying, while 100% safe for the human body. 【Born to Accomplish Curve Lines】Having trouble with drawing wavy lines using normal colored pens? Try this specially made roller marker - able to create various elegant mark lines with one single pull, none of the trouble, all of the fun. Dual tip marker pen design, roller end for drawing mark lines. Combine them you’ll get a great tool for your study & artwork. 【Safe & High Performance】Acid-free and non-toxic ink doesn’t smear, fade, or skip. Safe to give this journal pen to kids and girls. This fine point pen set allow all family enjoy smooth application for card making, arts crafts, coloring books, school project, DIY letters and more. 【Wide Applicable Occasions】This colored writing markers for children set makes markers easy for all the family to use for card making, crafts, coloring books, school projects, diy letters, and more. Also makes a great gift for birthdays, easter, children's day, back to school, etc.