Made of high quality ABS, with a 0.5mm black pen lead, you can print a logo on the pen holder and a QR code on the pen cover. Experience the ultimate writing comfort with our ballpoint pen, featuring low-viscosity black ink that ensures a smooth, skip-less writing experience, allowing for quicker writing speeds. The soft, latex-free rubberized grip provides increased comfort during extended writing sessions, while the transparent plastic barrel allows for easy monitoring of ink levels, ensuring you never run out unexpectedly. Also, it is convenient metal pocket clip for quick, easy access, and to ensure you never lose your favorite pen again. Otherwise it is vivid, reliable black ink and solid pen construction make for a great everyday writing tool.