Bold, 1mm writing instrument features an ultra-smooth ink delivery system. Vibrant, pigmented gel ink is acid-free, fade-proof, and waterproof, ensuring that your document won't smear. Features an auto-retractable tip to protect pockets and purses. Visible ink supply lets you know when you're running low. Features Uni-Super Ink� that helps prevent against check and document fraud. Special Ink Type: Gel; Pen Style: Retractable; Ink Color(s): Red; Pen Type: Roller Ball.