Xeno Shinzi Katoh Bonheur, 0.5mm, Rubber Grip Ballpoint Pen, Black (Pack of 12) SUPERIOR INK FORMULA: The unique, oil-based ink formula of the Shinzi Katoh Bonheur pen protects itself from drying out ensuring long-term use and offers a smooth writing experience that is free from smearing, smudging, or skipping ACHIEVE WRITING PRECISION: The sturdy and fully retractable fine point 0.5mm tip of the Bonheur pen produces clear, bold, and legible writing while maintaining precise and accurate lines COMFORTABLE RUBBER GRIP: Each pen is designed with an ergonomic non-slip, rubber grip for a firm yet comfortable grasp allowing for prolonged periods of effortless writing and sketching SLIM & STYLISH PEN: The Bonheurs slim body lends itself to a sleek aesthetic while the unique Shinzi Katoh characters add a dimension of cuteness and touch of flair to the design. Additionally, the design features a retractable pocket click clip that offers extra carrying convenience and prevents the ink from drying out DESIGNED IN JAPAN, MANUFACTURED IN KOREA: Xeno delivers reliability and quality in each of their products as this ballpoint pen is made with exceptional craftsmanship in Korea utilizing research and development data compiled in Japan