STUDY HOLIC Ballpoint Pen by GreenFlash celebrates the joy of learning and curiosity. Inspired by the excitement of summer research projects, each design transforms academic themes into playful, visually engaging stationery. This ballpoint pen features a clean white upper barrel paired with a lower barrel colored to represent each field of study. It offers a smooth writing experience with ultra-low viscosity oil-based ink, combining stylish design with comfortable functionality for daily use. Key Features Design: White upper barrel with discipline-themed lower color variations Ink: Ultra-low viscosity oil-based ink for smooth, consistent writing Comfort: Lightweight ABS resin body ideal for everyday use Made in Japan: Reliable quality and refined color design inspired by academic fields Specification Details Variants Paleontology / Planetary Science / Chemistry / Mineralogy / Astronomy / Egyptology / Archaeology / Marine Biology / Mycology / Microbiology / Human Biology / Botany / Musicology Length 141 mm Material ABS resin Ink Color Black Country of Origin Japan