- Excellent smudge- and water-resistant on almost all surfaces - Dries in seconds, making it ideal for left-handers - Rich-colored, low-odor ink - Lightfast - Blocked tip - DRY SAFE-can be left open for days without drying out (tested under conditions per ISO 554) - Airplane safe-automatic pressure equalization prevents the pen from leaking on airplanes - Xylene- and toluene-free ink - Refillable