The Pentel WOW! K437 Permanent Gel Pen comes in a convenient pack of 12. It features a unique triangular-shaped barrel and grip that enhance comfort and prevent rolling off desks. This gel pen uses permanent, smooth-flowing ink that is waterproof, fade-proof, and acid-free, ensuring a lasting impression. The stylish transparent barrel allows for easy monitoring of ink supply, while the convenient clip makes it easy to attach to pockets or notebooks.