Smooth flowing ink: These 0.7 mm ballpoint pens can ensure liquid ink flowing evenly that give you smooth writing experience. – Quick Drying: The roller ball ink can dry quickly, will not get your hands or paper dirty, can keep your work neat, inks are safe to use, don’t worry it will leak ink easily, can provide you a long-lasting use. – Wide Range of Use: Liquid ink pens are suitable for students, teachers, beginners, designer, office workers and more. They will be a good helper in your study or work. – SUPER SMOOTH WRITING & QUICK DRYING: The optimized extra fine point with flow-free ink delivers skip-free glides all the time that enables you to write more smoothly than traditional pens. High quality ink that dries quickly, so there will be no smearing or smudging.