Gel pens feature smooth-flowing pigment-based ink with vibrant color. Pigment-based gel ink produces an outstanding ink lay-down for exceptional readability and detail. Water and fade-resistant gel ink helps you compose long-lasting, high-quality documents you can archive. uni Super Ink entraps the gel ink in the paper, creating a strong bond that resists document fraud. A textured rubber grip ensures ease of writing while helping you maintain good control. Convenient clip ensures that your favorite gel pen is always at hand.