The Jetstream retractable rollerball pen by uni-ball comes filled with hybrid Jetstream ink that is both fast drying and smudge free. The ink dries 9 times faster than a standard ballpoint making it perfect for left handers and it reduces writing friction by 40% using a special solvent for fast writing. The comfortable rubberised grip finishes the list of ergonomic features the Jetstream delivers making it comfortable and fast to write with. All the great Jetstream features in a RETRACTABLE version Is quick drying and completely smudge proof