RoseArt Stealth FX Retractable 12ct. Black gel pen bulk pack features medium 0.7MM gel pens with plastic barrel and comfort grip. Stealth FX gel pens offer incredibly smooth gel ink that doesn't smear or bleed. Stealth FX gel in dries 3x faster giving you confidence that your work will not smear. Each Stealth FX pen is retractable and comes with a silver clip allowing you to attached your gel pen where ever you need it; to a notebook, folder, even your pocket. Stealth FX gel pens dry so fast, they are great for left hand writers; no more smears or ink on your hand.