The Uni-ball Vision Needle 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 pigment based ink bonds to paper fibers and resists chemicals that wash dye-based inks from checks. It is also fade proof and water resistant. Uniball Vision Needle comes in 8 great colors that are only available in this wonderful set. Includes: BLACK, BLUE, GREEN, MIDNIGHT, ORANGE, PINK, PURPLE, RED