Modern shades include solid tones with integrated iridescent pigmentation for a scintillating dichroic effect, where the pen's color appears to change according to the light. Sleek, strong cap protects tip when not in use. Stylish and timeless design melds the classic with the contemporary. Water-resistant and quick-drying ink keeps your documents clean and safe. Special Ink Type: N/A; Pen Style: Stick; Ink Color(s): Black; Pen Type: Roller Ball.