The Uni-ball Jetstream is always one of the most popular series in Uni-ball and has a large user base. This is simply because the Jetstream is a perfect combination of the smoothness, waterproofness, and fast-drying ink with vibrant color. It features ultra-low friction on paper. The writing feeling is just superb. Its ink is also waterproof and fade-resistant to make it a safe choice for long-lasting notes and signatures. It is ideal for daily writing, exams or journal writing. The Jetstream pen body also features its streamlined design with a comfortable rubber grip. The comfortable rubber grip provides you with excellent control and reduces the burden on your hand effectively. The specialized Jetstream ink is not only smooth but also help you create vivid and crisp lines on paper.