SMOOTH WRITING Black ink color with 0.38mm ballpen point with Color Changing Flower Pen. These gel pens won't skid, smooth to write and write clearly. MAGIC DESIGN Tulips will change color when meet sunlight. Funny, funky and adorable tulip shaped gel ink pens, creative and interesting props to take with, you will get a lot of compliments on them. These unique pens can also help to inspire your interests and enrich thinking creativity. MATERIAL Premium plastic shell and high quality durable refills with smooth and uniform rollerball felt tip ink distribution. Water-based oil liquid gel ink with quick and safe fast dry. And won't bleed through paper. The refill can be replaced. Safety to use with eco-friendly environmental material. WIDE APPLICATION It is suitable for everyday use in the office, home or school, as well as taking notes or writing up assignments. Can work as a gift for any tulip lovers, kids, friends and families, a practical stationery for your study. PACKAGE INCLUDED 10 x tulip gel ink pens, useful supplies for school and office. Ink color: Black. Size: the total length of gel ink pen is approx. 21.5 cm/ 8.46 inches, suitable for 0.38 mm writing. An ideal set of gifts for your desk or desk. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin