Assorted colours retractable gel pens with matched refills. None-toxic, acid-free, lead-free, and all the materials are eco-friendly. Safe using. It’s made of a high-end refill, Which contains superior ink and hard tip that makes the gel ink pen no smearing, writing smoothly and using durable. You can easily find the refill you need by checking the number carved on the top.
The ink pipe diameter of each refill is, which means the ink capacity of each pen is twice compared to others. Besides, use transparent oil to avoid leakage of ink inside and it is purer than a coloured one.
Is convenient and easy to carry. A comfortable grip is good for your long time writing. The tip of each pen is sealed with wax to avoid being dry.