When it comes to writing smoothly and without effort, the Unomax Geltron Pen with its waterproof ink technology is just what you need. From taking notes to writing exams to just mindless doodles, this pen with is 0.7mm tip is fine and smooth. The superior quality ink also lasts twice as much as regular pens while the ergonomic design ensure that effective writing for long period of time without stressing your hand out.