Vision Elite Rollerball contains the new Super Ink, which helps prevent check and document fraud. The exclusive uni-flow ink system provides consistent smoothness and color intensity while delivering waterproof ink to the paper. The ink is airplane safe and won't explode or leak due to a change I cabin pressure during flights. Here is the Vision Elite Stick in an 8 color set! Get it today. Includes: BLACK, BLUE, BLUE/BLACK, GREEN, ORANGE, PINK, PURPLE, RED