What could be better than a cap-free, retractable roller ball? Throw in an extraordinarily smooth write, and you have the Jetstream Sport. The uni-ball Jetstream Sport features a revolutionary hybrid ink formulation that combines the remarkable smoothness of a gel pen with the fast drying performance & convenience of a retractable ball pen. Hello smoothness, see you later smearing! And our pigmented ink is fade-proof, water-proof and guaranteed to last for at least 100 years. Comfortable rubber grip for hours of cramp-free writing.