Broad point rollerball pens deliver a bold ink lay down with rich pigmented color 0.8mm bold point roller pens render distinct letters, numbers and graphics with an outstanding finis uni Super Ink makes a strong bond with the paper, offering protection against water, fading and fraud This liquid ink rollerball pen has Uni-Flow Free Ink System for fast-flowing ink that allows quick, smooth and efficient writing Airplane safe pens withstand changes in cabin pressure, resisting leakage during flights