Pilot G2 gel pen is the best selling gel pen in Australia. You can find them in almost any stationery stores or news agencies and it deserves to be so popular. The pen are filled with Dynamic Gel Ink Formula, which is water-resistant, acid-free, and smear-proof. It has a comfortable rubber grip for long time handwriting. Its body is transparent for user to inspect the remaining ink level. It is retractable and refillable.