Effortlessly express brilliant color with Spectrum Retractable Gel Pens. Even-flowing, pigment-based, gel ink delivers a smooth writing experience with intense, vibrant color. Medium point pens are useful for a variety of projects including color-coding notes and lists and embellishing fun, creative writing projects. Innovative, uni Super Ink technology creates an indelible bond with paper, producing fraud-resistant, fade-resistant and water-resistant documents. Comfortable, rubber grip ensures better comfort for extended periods of writing and creating. Translucent window indicates the level of ink remaining to avoid running out unexpectedly. Pens brighten up your writing tasks with brilliant, vivid color.