Sanford(R) Uni-Ball(R) Vision Exact(TM) Liquid Rollerball Pens, Fine Point, 0.7 mm - Set of 12 green ink pens Exclusive uni-flow ink system regulates a steady flow of waterproof ink to the point for consistent smoothness and color intensity down to the last drop of ink Archival quality and acid-free ink for documenting and record-keeping Quick drying, water-resistant ink Stainless Steel tip Set of 12 green ink pens