... Plastic promotional roller ball pen 1.Description 1)Smooth writing,no leakage2)Material---Plastic3)Type---Roller4)MOQ---1,000pcs/color5)ink color and tip ... ,various in assorted color7)Office pen looks simple and generous.be advertising for pen,promotion pen,ball pen,metal pen,plastic pen,office pen,commemorative pen..,etc2.Packing1)Packing---12pcs ...