Ink color: Black Bold point, 0.8 mm Refillable Ink type: Water-resistant/pigmented/acid-free Visible ink supply: Yes Rollerball pen delivers skip free writing Airplane safe, it’s engineered to eliminate leaks due to changes in cabin pressure Exclusive pigment-based ink forms an indelible bond in paper, for intense coloration and document security Archival quality, acid free ink for valued documents Uni flow ink system creates a steady flow of water resistant ink and smooth, consistent color Ideal for business travelers because pen won’t leak with a change in cabin pressure Includes 4 pens
