uni-ball Vision Elite Rollerball Pens, Bold Point (0.8mm), Black, 2 Count Airplane Safeink wont explode or leak due to a change in cabin pressure during flights Vivid steady ink flow and a stylish, business-focused design Exclusive uni-flow ink system provides consistent smoothness and color intensity Features uni Super Ink which protects against water, fading and fraud Includes: 2 black rollerball pens, 0.8mm bold point, refillable