Quick drying ink resists smears Delivers a smooth writing experience Great for lefties Translucent barrel to monitor ink levels Sleek design to promote comfort in writing This refillable retractable gel ink pen is tinted the color of the ink, with a barrel girp that matched the ink color and a barrel that is transparent enough to allow the user to monitor the ink supply levels. Quick drying, smooth gliding, acid-free ink will not fade, run or smear. Refill NSN NIB-1035 black ink, NIB-1036 blue ink, and NIB-1037 red ink.