Interesting double tip curve pens: Our color double tip curve pens are very interesting. The 12 pack curve pens are divided into 6 unique marking line types, with roller tips. It uses a small roller to print patterns on the paper circularly. It is beautifully designed and works very well. It's interesting to watch the marking line go through the pen tip.High quality and durable: It is equipped with 12 color double pointed curve pens, which can record double pointed curve. The highlight pen group is made of high-quality materials. The ink level of the upgraded diary pen has been increased by 40%, which can produce longer marker lines than before. It can produce longer marking lines than before, and the fabric is thick, durable and not easy to break.perfect Gift Choice: For now, this pens are popular gifts for children. Come with beautiful packing and high quality,our curve highlighter pen are perfect for arts crafts, DIY projects, Writing Journaling Drawing Scrapbook.Safe & High Performance:Acid-free and non- ink doesn't smear, fade, or skip. Quick-Drying, Non-Sticky, Full Gloss, Beautiful. Safe to give this curve pen to children.Colour:multicolorMaterial:plasticPackage Contents:12 x highlighter pensOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.